MAX17435ETG+T Maxim Integrated Products, MAX17435ETG+T Datasheet
MAX17435ETG+T
Specifications of MAX17435ETG+T
Related parts for MAX17435ETG+T
MAX17435ETG+T Summary of contents
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... Notebook Computers PDAs and Mobile Communicators Li+ Cell Battery-Powered Devices SMBus is a trademark of Intel Corp. _______________________________________________________________ Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. Low-Cost SMBus Chargers S Low-Cost SMBus Charger S High Switching Frequency (0 ...
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High-Frequency, Low-Cost SMBus Chargers ABSOLUTE MAXIMUM RATINGS DCIN, CSSP, BATT, CSIP to GND ......................... -0.3V to +28V CSIP to CSIN, CSSP to CSSN .............................. -0.3V to +0. SCL, SDA EN, ACIN, ITHR ADAPTLIM, ACOK ...
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ELECTRICAL CHARACTERISTICS (continued) (Circuit of Figure 1, no load on LDO unless otherwise noted. Typical values are ° +85 ° A PARAMETER SYMBOL CHARGE-CURRENT REGULATION CSIP-to-CSIN Full-Scale Current-Sense Voltage Charge Current ...
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High-Frequency, Low-Cost SMBus Chargers ELECTRICAL CHARACTERISTICS (continued) (Circuit of Figure 1, no load on LDO unless otherwise noted. Typical values are ° +85 ° A PARAMETER SYMBOL ACOK ACOK Sink Current ...
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ELECTRICAL CHARACTERISTICS (continued) (Circuit of Figure 1, no load on LDO unless otherwise noted. Typical values are ° +85 ° A PARAMETER SYMBOL ADAPTER OVERVOLTAGE PROTECTION ACOVP Threshold ACOVP Threshold Hysteresis ...
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High-Frequency, Low-Cost SMBus Chargers ELECTRICAL CHARACTERISTICS (continued) (Circuit of Figure 1, no load on LDO unless otherwise noted.) (Note -40 ° +85 ° A PARAMETER SYMBOL BATT + CSIP + CSIN + LX ...
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ELECTRICAL CHARACTERISTICS (continued) (Circuit of Figure 1, no load on LDO unless otherwise noted.) (Note -40 ° +85 ° A PARAMETER SYMBOL INPUT CURRENT REGULATION Input Current-Limit Threshold CSSP/CSSN Input Voltage Range IINP ...
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High-Frequency, Low-Cost SMBus Chargers ELECTRICAL CHARACTERISTICS (continued) (Circuit of Figure 1, no load on LDO unless otherwise noted.) (Note -40 ° +85 ° A PARAMETER SYMBOL LOGIC LEVELS SDA/SCL Input Low Voltage SDA/SCL ...
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ELECTRICAL CHARACTERISTICS (continued) (Circuit of Figure 1, no load on LDO unless otherwise noted.) (Note -40 ° +85 ° A PARAMETER SYMBOL Hold Time from SCL t HD:DAT Setup Time from SCL t ...
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High-Frequency, Low-Cost SMBus Chargers (Circuit of Figure 19V IINP ERROR vs. SYSTEM CURRENT 3.5 INPUT CURRENT LIMIT = 3.584A 3.0 2.5 2.0 1.5 1 16.8V 0.5 BATT ...
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Figure 19V LDO VOLTAGE vs. LDO CURRENT 5.48 5.46 5.44 5.42 5.40 5.38 5.36 5. LDO CURRENT (mA) FREQUENCY vs ...
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High-Frequency, Low-Cost SMBus Chargers PIN NAME 1 SCL SMBus Clock Input. Connect to an external pullup resistor according to SMBus specifications. SMBus Data I/O. Open-drain output. Connect to an external pullup resistor according to SMBus 2 SDA specifications. Charger Supply ...
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PIN NAME Current Sense for Positive Input. Connect a current-sense resistor from CSSP to CSSN. The voltage across CSSP to CSSN determines the current at which the charger reduces charging current to keep from drawing more current from the adapter ...
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High-Frequency, Low-Cost SMBus Chargers N3 ADAPTER R9 103kI R11 2MI N4 C10 1FF GND R10 10kI ACOK 10kI LDO C1 1FF R16 10I C3 1FF C11 R13 R14 1FF 10kI 10kI SMBus CONTROL Figure 1. Standard Application Circuit Detailed Description ...
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IINP CSSP CURRENT- SENSE A = 20V/V AMPLIFIER CSSN IN_SET DCIN V AA 4.096V REFERENCE GND CSIP CURRENT- SENSE AMPLIFIER CSIN BDIV BATT CHG_EN SCL SMBus LOGIC SDA CC Figure 2. Block Diagram The MAX17435/MAX17535 control input current (CCS control ...
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High-Frequency, Low-Cost SMBus Chargers Table 1. EN Pin Function ADAPTER EN PRESENT PDSL is pumped 8V above the DCIN Yes High voltage (charge pump on). PDSL is pumped 8V above the DCIN Yes Low voltage (charge pump on). Charge pump ...
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The data (SDA) and clock (SCL) pins have Schmitt- trigger inputs that can accommodate slow edges. Choose pullup resistors for SDA and SCL to achieve rise times according to the SMBus specifications. Communication starts when the master signals a START ...
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High-Frequency, Low-Cost SMBus Chargers HIGH LOW SMBCLK SMBDATA t t SU:STA HD:STA A = START CONDITION B = MSB OF ADDRESS CLOCKED INTO SLAVE C = LSB OF ADDRESS CLOCKED INTO SLAVE D = R/W BIT ...
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Table 4. ChargeVoltage() (0x15) BIT BIT NAME 0 — 1 — 2 — 3 — 4 Charge Voltage, DACV 0 5 Charge Voltage, DACV 1 6 Charge Voltage, DACV 2 7 Charge Voltage, DACV 3 8 Charge Voltage, DACV 4 ...
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High-Frequency, Low-Cost SMBus Chargers Table 5. ChargeCurrent() (0x14) (10mI Sense Resistor, RS2) (continued) BIT BIT NAME 9 Charge Current, DACI 2 10 Charge Current, DACI 3 11 Charge Current, DACI 4 12 Charge Current, DACI 5 13 — 14 — ...
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Table 6. InputCurrent() (0x3F) (10mI Sense Resistor, RS1) BIT BIT NAME 0 — 1 — 2 — 3 — 4 — 5 — 6 — 7 Input Current, DACS 0 8 Input Current, DACS 1 9 Input Current, DACS 2 ...
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High-Frequency, Low-Cost SMBus Chargers Table 7. Relearn() (0x3D) (continued) BIT BIT NAME 9 Relearn Relearn Relearn Relearn Relearn Relearn — Reading IINP ...
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Table 8. IINPVoltage() (0x3E) (continued) BIT BIT NAME 10 IINP Voltage, DACV 6 11 IINP Voltage, DACV 7 12 — 13 — 14 — 15 — DC-DC Converter The MAX17435/MAX17535 employ a synchronous step- down DC-DC converter with an n-channel, ...
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High-Frequency, Low-Cost SMBus Chargers controller to initiate a new cycle. If the peak inductor current exceeds IMAX comparator threshold or the output voltage exceeds the OVP threshold, then the on-time is terminated. The cycle-by-cycle current limit effectively protects against overcurrent ...
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The high-side driver (DHI) swings from above LX (BST) and has a typical impedance of 1.5I sourcing and 0.8I sinking. The low-side driver (DLO) swings from DLOV to ground and has a typical impedance of 3I sinking ...
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High-Frequency, Low-Cost SMBus Chargers Inductor L1 must have a saturation current rating of at least the maximum charge current plus 1/2 the ripple current ( (1/2) DI SAT CHG The ripple current is determined ...
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Ideally, surface-mount power components are flush against one another with their ground terminals almost touching. These high-current grounds are then connected to each other with a wide, filled zone of top-layer copper, so they do not go through vias. The ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 28 Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 2010 Maxim Integrated Products © ...