MAX16048ACB+ Maxim Integrated Products, MAX16048ACB+ Datasheet
MAX16048ACB+
Specifications of MAX16048ACB+
Related parts for MAX16048ACB+
MAX16048ACB+ Summary of contents
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... Operating Temperature Range Servers Workstations Storage Systems Networking/Telecom Ordering Information PART TEMP RANGE MAX16046ACB+ -40°C to +125°C MAX16046ATN+ -40°C to +125°C MAX16048ACB+ -40°C to +125°C MAX16048ATN+ -40°C to +125°C + Denotes a lead(Pb)-free/RoHS-compliant package Exposed pad. Features Applications PIN-PACKAGE 64 TQFP-EP* 56 TQFN-EP* 64 TQFP-EP* ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers V SUPPLY OUT IN DC-DC EN GND OUT IN DC-DC EN GND OUT IN DC-DC EN GND VOLTAGE-DETECTOR PART INPUTS MAX16046A 12 MAX16048A 8 2 _______________________________________________________________________________________ MON1 DACOUT1 EN_OUT1 ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers ABSOLUTE MAXIMUM RATINGS V to GND ....................……………………………-0.3V to +15V CC EN, MON_, SCL, SDA, A0 ........................................-0.3V to +6V GPIO_, RESET (configured as open drain) to GND.....-0.3V to +6V EN_OUT1–EN_OUT6 (configured as open ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers ELECTRICAL CHARACTERISTICS (continued 14V -40°C to +125°C, unless otherwise specified. Typical values are PARAMETER SYMBOL ADC MON_ Ranges ADC ADC LSB Step ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers ELECTRICAL CHARACTERISTICS (continued 14V -40°C to +125°C, unless otherwise specified. Typical values are PARAMETER SYMBOL DAC DAC Resolution DAC Output Voltage Range ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers ELECTRICAL CHARACTERISTICS (continued 14V -40°C to +125°C, unless otherwise specified. Typical values are PARAMETER SYMBOL OUTPUTS (EN_OUT_, RESET, GPIO_) Output-Voltage Low Output-Voltage ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers ELECTRICAL CHARACTERISTICS (continued 14V -40°C to +125°C, unless otherwise specified. Typical values are PARAMETER SYMBOL JTAG INTERFACE TDI, TMS, TCK Logic-Low Input ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers SDA t SU:DAT t LOW SCL t HIGH t HD:STA START CONDITION 2 Figure 1. I C/SMBus Timing Diagram TCK TDI, TMS TDO Figure ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers (V = 3.3V +25°C, unless otherwise noted SUPPLY CURRENT CC vs. V SUPPLY VOLTAGE CC 4 +125°C 3 +85°C A 3.0 2.5 ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers (V = 3.3V +25°C, unless otherwise noted OUTPUT-VOLTAGE HIGH vs. SOURCE CURRENT (CHARGE-PUMP OUTPUT ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers (V = 3.3V +25°C, unless otherwise noted MIXED MODE MAX16046A toc15 INS4 INS3 1V/div INS2 INS1 0V 20ms/div ADC INL 1.0 0.8 0.6 0.4 0.2 0 -0.2 -0.4 ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers PIN NAME THIN QFN MAX16046A MAX16048A MON1– 1–8 1–8 MON8 MON9– 9–12 — MON12 9–12, 33–36, — N.C. 53– SCL 16 16 SDA 17 17 ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers PIN NAME THIN QFN MAX16046A MAX16048A 37 37 ABP DBP 41 41 GPIO1 42 42 GPIO2 43 43 GPIO3 44 44 GPIO4 EN_OUT1– 45–50 45–50 EN_OUT6 ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers PIN TQFP NAME MAX16046A MAX16048A MON1– 1–7, 10 1–7, 10 MON8 MON9– 11–14 — MON12 8, 9, 11–15 15, 25, 25, 33, 38– N.C. 33, 48, 41, 48, 49, 49, ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers PIN TQFP NAME MAX16046A MAX16048A 42 42 ABP DBP 46 46 GPIO1 47 47 GPIO2 50 50 GPIO3 51 51 GPIO4 EN_OUT1– 52–57 52–57 EN_OUT6 EN_OUT7, ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers MAX16046A MAX16048A EN V TH_EN NONVOLATILE FAULT EVENT LOGGER MON1– VOLTAGE 10-BIT MON12 SCALING ADC (SAR) (MON1– AND MUX MON8) DACOUT1– TRACK AND DACOUT12 8-BIT DAC HOLD (DACOUT1– DACOUT8) EEPROM REGISTERS GND ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Note: This data sheet uses a specific convention for referring to bits within a particular address location example, r0Fh[3:0] refers to bit 3 to bit 0 in register with address ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Detailed Description The MAX16046A is capable of managing up to twelve system voltages simultaneously, and the MAX16048A can manage up to eight system voltages. After boot- up high and ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers To initiate sequencing/tracking and enable monitoring, the voltage at EN must be above 0.525V and the Software Enable bit in r4Dh[0] must be set to ‘0.’ To power down and disable monitoring, ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Table 2. Input Monitor Ranges and Enables REGISTER/ EEPROM BIT RANGE ADDRESS [1:0] [3:2] 0Fh [5:4] [7:6] [1:0] [3:2] 10h [5:4] [7:6] 20 ______________________________________________________________________________________ DESCRIPTION MON1 Voltage Range Selection From ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Table 2. Input Monitor Ranges and Enables (continued) REGISTER/ EEPROM BIT RANGE ADDRESS [1:0] [3:2] 11h [5:4] [7:6] * MAX16046A only ______________________________________________________________________________________ DESCRIPTION MON9 Voltage Range Selection From 0 to ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers The extended memory page contains the ADC conver- sion result registers (see Table 3). These registers are also used internally for fault threshold comparison. Voltage-monitoring thresholds are compared with the 8 MSBs ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers General-Purpose Inputs/Outputs GPIO1–GPIO6 are programmable general-purpose inputs/outputs. GPIO1–GPIO6 are configurable as a manual reset input, a margin disable input, margin- up/margin-down control inputs, a watchdog timer input Table 4. General-Purpose IO Configuration ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Voltage Tracking Sense (INS_) Inputs GPIO1–GPIO4 are configurable as feedback sense return inputs (INS_) for closed-loop tracking. Connect the gate of an external n-channel MOSFET to each EN_OUT_ configured for closed-loop tracking. ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers GPIO1–GPIO4 are configurable as active-low push-pull or open-drain fault-dependent outputs. These outputs assert when any monitored input exceeds an overvolt- age, undervoltage, or early warning threshold. FAULT1 and FAULT2 GPIO5 and GPIO6 ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Table 7. FAULT1 and FAULT2 Output Configuration and Dependencies (continued) REGISTER/ EEPROM BIT RANGE ADDRESS [0] [1] [2] [3] [4] 18h [5] [6] [7] * MAX16046A only Fault-On Power-Up (FAULTPU) GPIO6 indicates ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers GPIO6 is configurable as an active-low MARGIN input. Drive MARGIN low before varying system voltages above or below the thresholds to avoid signaling an error. Drive MARGIN high for normal operation. When ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Table 9. EN_OUT1–EN_OUT12 Configuration (continued) REGISTER/EEPROM BIT ADDRESS RANGE [0] [3:1] 20h [6:4] [7] [1:0] 21h [3:2] [5:4] [7:6] 28 ______________________________________________________________________________________ DESCRIPTION EN_OUT3 Configuration (MSB)—see r1Fh[7:6] EN_OUT4 Configuration: 000 = EN_OUT4 is ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Table 9. EN_OUT1–EN_OUT12 Configuration (continued) REGISTER/EEPROM BIT ADDRESS RANGE [1:0] [3:2] 22h [5:4] [7:6] * MAX16046A only Charge-Pump Configuration EN_OUT1–EN_OUT6 can act as high-voltage charge- pump outputs to drive up to six ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers MAX16046A fig03 20ms/div Figure 3. RESET and EN_OUT_ During Power-Up, EN_OUT_ Is in Open-Drain Active-Low Configuration Each EN_OUT_ has one or more associated MON_ inputs, facilitating the voltage monitoring of multiple power ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers RESET Deassertion After any MON_ inputs assigned to Slot 12 exceed their undervoltage thresholds, the reset timeouts begin. When the reset timeout completes, RESET deasserts. The reset timeout period is set in ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Table 11. MON_ Slot Assignment CONFIGURATION BITS 0000 MON_ is not assigned to a slot 0001 MON_ is assigned to Slot 1 0010 MON_ is assigned to Slot 2 0011 MON_ is ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Table 13. Sequence Delays and Fault Recovery REGISTER/ EEPROM BIT RANGE ADDRESS [1:0] [3:2] 4Eh [4] [5] [6] [7] [2:0] [3] 4Fh [5:4] [7:6] ______________________________________________________________________________________ DESCRIPTION Power-Up Fault Timeout 00 = 37.5ms ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Table 13. Sequence Delays and Fault Recovery (continued) REGISTER/ EEPROM BIT RANGE ADDRESS [2:0] 50h [5:3] [7:6] [0] [3:1] 51h [6:4] [7] [1:0] 52h [4:2] [7:5] [2:0] 53h [5:3] [7:6] [0] [3:1] ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Closed-Loop Tracking The MAX16046A/MAX16048A track up to four voltages during any time slot except Slot 0 and Slot 12. Configure GPIO1–GPIO4 as sense line inputs (INS_) to monitor tracking voltages. Configure GPIO6 ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Table 15. Power-Good (PG) Thresholds REGISTER/ EEPROM BIT RANGE ADDRESS [1:0] [3:2] 64h [5:4] [7:6] The MAX16046A/MAX16048A feature an 8-bit DAC with 12 outputs (MAX16046A outputs (MAX16048A) for voltage margining. ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Table 16. DACOUT Ranges REGISTER/ EEPROM BIT RANGE ADDRESS [1:0] [3:2] 12h [5:4] [7:6] [1:0] [3:2] 13h [5:4] [7:6] ______________________________________________________________________________________ DESCRIPTION DACOUT1 Range Selection DACOUT1 is OFF 01 = 0.4V ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Table 16. DACOUT Ranges (continued) REGISTER/ EEPROM BIT RANGE ADDRESS [1:0] [3:2] 14h [5:4] [7:6] * MAX16046A only Table 17. DACOUT Enables EXTENDED PAGE DACOUT ENABLES ADDRESS [ DACOUT1 is ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Voltage Margining Margining is commonly performed while a system is under development, but margining can also be per- formed during the manufacturing process. The supply voltages of external DC-DC regulators can be ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers The MAX16046A/MAX16048A monitor the input (MON_) channels and compare the results with an overvoltage threshold, an undervoltage threshold, and a selectable overvoltage or undervoltage early warning threshold. Based on these conditions, the ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Fault conditions are detected at the end of each con- version. If the voltage on an input falls outside a moni- tored threshold for one acquisition, the input multiplexer remains on that ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Table 23. Critical Fault Configuration and Enable Bits REGISTER/ EEPROM BIT RANGE ADDRESS Critical Fault Log Control 00 = Failed lines and ADC conversion values save to EEPROM upon critical fault [1:0] ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Table 23. Critical Fault Configuration and Enable Bits (continued) REGISTER/ EEPROM BIT RANGE ADDRESS [ Fault log triggered when MON9 is above/below its early warning threshold* [ Fault ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Power-Up/Power-Down Faults All EN_OUTs are deasserted if an overvoltage or under- voltage fault is detected during power-up/power-down (regardless of the critical fault enable bits). Under these conditions, information of the failing slot ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Table 26. EEPROM Fault Log Operation Period FAULT CONTROL REGISTER r47h[1:0] 00 Failed lines and ADC values saved The reset output, RESET, is asserted during power- up/power-down and deasserts ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Table 27. RESET Configuration and Dependencies (continued) REGISTER/ EEPROM BIT RANGE ADDRESS RESET DEPENDENCIES [ [ [ 1Ah [ [ [5] 1 ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers LAST MON_ WDI RESET Figure 6. Normal Watchdog Startup Sequence V CC < t WDI WDI < t < t WDI WDI WDO 0V Figure 7. Watchdog Timer Operation ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Table 28. Watchdog Mode Selection REGISTER/ EEPROM BIT RANGE ADDRESS 0 1 4Dh 2 3 [7:4] Table 29. Watchdog Enables and Configuration REGISTER/ EEPROM BIT RANGE ADDRESS [2:0] [4:3] 55h [5] [6] ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Independent Watchdog Timer Operation When r4Dh[3] is ‘1’ the watchdog timer operates in the independent mode. In the independent mode, the watchdog timer operates were a separate chip. The ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers 2 I C/SMBus-Compatible The MAX16046A/MAX16048A feature an I compatible 2-wire serial interface consisting of a serial data line (SDA) and a serial clock line (SCL). SDA and SCL facilitate bidirectional communication between ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers The acknowledge bit (ACK) is the 9th bit attached to any 8-bit data word. The receiving device always gen- erates an ACK. The MAX16046A/MAX16048A generate an ACK when receiving an address or ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers The send byte protocol allows the master device to send one byte of data to the slave device (see Figure 12). The send byte presets a register pointer address for a subsequent ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers The MAX16046A/MAX16048A use eight command codes for block read, block write, and other com- mands. See Table 32 for a list of command codes. To initiate a software reboot, send 96h using ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers 8) The slave asserts an ACK on SDA. 9) The slave sends the 8-bit byte count (16). 10) The master asserts an ACK on SDA. 11) The slave sends 8 bits of ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers JTAG Serial Interface The MAX16046A/MAX16048A contain a JTAG port that complies with a subset of the IEEE 1149.1 specifi- 2 cation. Either the the JTAG interface may be used ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Test Access Port (TAP) Controller State Machine The TAP controller is a finite state machine that responds to the logic level at TMS on the rising edge of TCK. See Figure 14 ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Shift-DR: The test data register selected by the current instruction connects between TDI and TDO and shifts data one stage toward its serial output on each rising edge of TCK while TMS ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Table 33. JTAG Instruction Set INSTRUCTION HEX CODE BYPASS 1Fh IDCODE 00h USERCODE 03h LOAD ADDRESS 04h READ DATA 05h WRITE DATA 06h REBOOT 07h SAVE 08h SETEXTRAM 09h RSTEXTRAM 0Ah SETEEPADD ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers LOAD ADDRESS: This is an extension to the standard IEEE 1149.1 instruction set to support access to the memory in the MAX16046A/MAX16048A. When the LOAD ADDRESS instruction latches into the instruction register, ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers DC-DC OR LDO OUT REF Figure 15. Connections for Margining Using Feedback Method Filtering the DAC Outputs Some applications require filtering of the DAC ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Set the DACOUT_ range bits (see the DAC Outputs section) such that V falls approximately halfway REF within the DACOUT range. Set R 5 control the DAC has on the output voltage ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers MAX16046A MAX16048A GND Figure 18. Power Circuit for Shutdown During Fault Conditions Driving High-Side MOSFET Switches The MAX16046A/MAX16048A use external n-channel MOSFET switches for voltage tracking applications. ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Simple slew-rate control is accomplished by adding a capacitor from the gate to ground. The slew rate is approximated by the RC charge curve of the pullup resistor acting with the capacitor ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers PAGE ADDRESS Ext 00h Ext 01h Ext 02h Ext 03h Ext 04h Ext 05h Ext 06h Ext 07h Ext 08h Ext 09h Ext 0Ah Ext 0Bh Ext 0Ch Ext 0Dh Ext 0Eh ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers PAGE ADDRESS Default 0Ah Default 0Bh EEPROM 00h EEPROM 01h EEPROM 02h EEPROM 03h EEPROM 04h EEPROM 05h EEPROM 06h EEPROM 07h EEPROM 08h EEPROM 09h EEPROM 0Ah EEPROM 0Bh EEPROM 0Ch ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers PAGE ADDRESS Def/EE 26h Def/EE 27h Def/EE 28h Def/EE 29h Def/EE 2Ah Def/EE 2Bh Def/EE 2Ch Def/EE 2Dh Def/EE 2Eh Def/EE 2Fh Def/EE 30h Def/EE 31h Def/EE 32h Def/EE 33h Def/EE 34h ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers PAGE ADDRESS Def/EE 4Eh Def/EE 4Fh Def/EE 50h Def/EE 51h Def/EE 52h Def/EE 53h Def/EE 54h Def/EE 55h Def/EE 56h Def/EE 57h Def/EE 58h Def/EE 59h Def/EE 5Ah Def/EE 5Bh Def/EE 5Ch ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers PAGE ADDRESS Def/EE 76h Def/EE 77h Def/EE 78h Def/EE 79h Def/EE 7Ah Def/EE 7Bh Def/EE 7Ch Def/EE 7Dh Def/EE 7Eh–93h EEPROM 9Ch–FFh * MAX16046A only Note: Ext refers to registers contained in ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers TOP VIEW MON1 MON2 MON3 MON4 MON5 MON6 MON7 MON8 MON9 MON10 MON11 MON12 RESET A0 MON1 MON2 MON3 MON4 MON5 MON6 MON7 MON8 N.C. N.C. 10 N.C. N.C. 12 RESET 13 ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers TOP VIEW MON1 MON2 MON3 MON4 MON5 MON6 MON7 N.C. N.C. MON8 MON9 MON10 MON11 MON12 N.C. RESET TOP VIEW MON1 MON2 MON3 MON4 MON5 MON6 MON7 N.C. N.C. MON8 N.C. N.C. ...
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