MAX8903JETI+ Maxim Integrated, MAX8903JETI+ Datasheet
MAX8903JETI+
Specifications of MAX8903JETI+
Related parts for MAX8903JETI+
MAX8903JETI+ Summary of contents
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... Thermistor Monitor o Integrated Current-Sense Resistor o No External MOSFETs or Diodes o 4.1V to 16V Input Operating Voltage Range PART MAX8903AETI+T MAX8903BETI+T MAX8903CETI+T MAX8903DETI+T MAX8903EETI+T MAX8903GETI+T MAX8903HETI+T MAX8903JETI+T MAX8903NETI+T MAX8903YETI+T + Denotes a lead(Pb)-free/RoHS-compliant package Exposed pad Tape and reel. Typical Operating Circuit AC LX ADAPTER OR USB DC ...
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... BAT = 3V 3 BAT = 4V 1 BAT = 3V 1 BAT 0.5 = 3kΩ 1900 2000 = 6kΩ 950 1000 = 12kΩ 450 500 RMS RMS RMS RMS = +25°C.) A MAX UNITS 16 V 4.1 V 4.4 17 0.25 Ω Ω Ω MHz 2 A 2100 1050 mA 550 Maxim Integrated ...
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... Load Regulation CS to SYS Resistance SYS to CS Leakage BAT to SYS Resistance BAT to SYS Reverse Regulation Voltage SYS Undervoltage Threshold Maxim Integrated MAX8903A–E/G/H/J/N/Y 2A 1-Cell Li+ DC-DC Chargers for USB and Adapter Power = -40°C to +85°C, unless otherwise noted. Typical values are CONDITIONS ...
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... A MAX UNITS 4.221 4.242 4.121 4.141 V 4.372 4.394 4.171 4.192 -60 mV 3.1 V 2.6 % 2200 1100 mA 550 % 2.4 kΩ V mA/A 4 µ °C %/°C min min s min + Maxim Integrated ...
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... Logic-Input Leakage Current (DCM) Logic Output Voltage, Low (CHG, FLT, DOK, UOK) Open-Drain Output Leakage C ur rent (CHG , FLT, DOK, UOK) Maxim Integrated MAX8903A–E/G/H/J/N/Y 2A 1-Cell Li+ DC-DC Chargers for USB and Adapter Power = -40°C to +85°C, unless otherwise noted. Typical values are ...
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... I = 0.15A I = 1.5A 20 BATT BATT 10 0 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 BATTERY VOLTAGE (V) = +25°C.) A MIN TYP MAX UNITS 4.6 5.0 5.4 4.6 5.0 5.4 3.2 160 15 between 400mV and 2V. SYS MAX8903A/B/C/D/E/H/J/N/Y SWITCHING FREQUENCY vs. V 4.5 4.0 3 3.0 BAT 2 BAT 2.0 1.5 1 1.2kΩ ISET 0 CEN 0 5.0 DC VOLTAGE (V) Maxim Integrated V V °C ° ...
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... AMBIENT TEMPERATURE USB INPUT 0 -40 - TEMPERATURE (°C) Maxim Integrated MAX8903A–E/G/H/J/N/Y 2A 1-Cell Li+ DC-DC Chargers for USB and Adapter Power Typical Operating Characteristics (continued) MAX8903A/B/C/D/E/H/J/N/Y SYS EFFICIENCY vs. SYS OUTPUT CURRENT 100 CEN 4.4V SYS 80 70 ...
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... CHARGE PROFILE—1400mAh BATTERY ADAPTER INPUT—1A CHARGE 6.0 I SET 5.5 I SET TO 2A BAT V 5.0 BAT 4.5 4.0 3.5 3.0 2.5 I BAT 2.0 1.5 1.0 0.5 MAX8903A/B/C/G 100 TIME (min) V RISING USB R = 1MΩ SYS USB MAX8903N/ USB = 0V 300 400 500 MAX8903A toc17 1.2 1.0 0.8 0.6 0.4 0.2 0.0 120 140 Maxim Integrated ...
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... MAX8903G DC SWITCHING WAVEFORMS—HEAVY LOAD V SYS 2.2µ 22µ SYS SYS CEN = 1µs/div Maxim Integrated MAX8903A–E/G/H/J/N/Y 2A 1-Cell Li+ DC-DC Chargers for USB and Adapter Power Typical Operating Characteristics (continued) MAX8903A toc18 0.50 0.45 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0 160 180 200 ...
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... USB CONNECT WITH 25Ω) SYS MAX8903A toc25 3.6V 3.75V V SYS 3. USB C USB CHARGING 475mA I USB I BAT 144mA BATTERY CHARGER -330mA SOFT-START 400µs/div 2V/div 5V/div 1A/div 1A/div 20mV/div 500mA/div 0A 2V/div 5V/div 500mA/div 500mA/div Maxim Integrated ...
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... DC Current-Limit Set Input. Connect a resistor (R 11 IDC step-down regulator from 0. when DCM is logic-high. 12 GND Ground. GND is the low-noise ground connection for the internal circuitry. Maxim Integrated MAX8903A–E/G/H/J/N/Y 2A 1-Cell Li+ DC-DC Chargers for USB and Adapter Power Typical Operating Characteristics (continued) USB SUSPEND 0V ...
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... Exposed Pad. Connect the exposed pad to GND. Connecting the exposed pad does not remove the — EP requirement for proper ground connections to the appropriate pins. 12 FUNCTION ) from ISET to GND programs the fast-charge current up to 2A. ISET ). Both SYS pins must be connected together externally. SYS Pin Description (continued) . When the system load (I SYSREG Maxim Integrated ) SYS ...
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... IUSB 500mA INPUT AND USB CHARGER LIMIT 100mA CURRENT-LIMIT USUS SET LOGIC USB SUSPEND IDC DC LIMIT Figure 1. Functional Block Diagram Maxim Integrated MAX8903A–E/G/H/J/N/Y 2A 1-Cell Li+ DC-DC Chargers for USB and Adapter Power PG LX BST CS PWM STEP-DOWN REGULATOR SET INPUT LIMIT CURRENT- IC LIMITED ...
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... USB PWR PWR OK DOK 22 CHARGE CHG INDICATOR R ISET 13 ISET R IDC 11 IDC 24 SYS TO SYSTEM LOAD C SYS SYS 23 (SEE TABLE 6 FOR C SELECTION) SYS BAT 21 C BAT 1-CELL 20 BAT 10µF LI 1µF T 10kΩ 16 THM NTC 10kΩ 12 GND Maxim Integrated ...
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... The MAX8903_ prevents overheating during high ambi- ent temperatures by limiting charging current when the die temperature exceeds +100°C. Maxim Integrated MAX8903A–E/G/H/J/N/Y 2A 1-Cell Li+ DC-DC Chargers for USB and Adapter Power 1 ...
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... The DCM pin has an internal diode shown in Figure 1. To prevent current from flowing from DCM through the internal diode and to the DC input, DCM cannot be driven to a voltage higher than DC. The PART > 2A SAT DC Mode (DCM) ). Calculate R IDC R = 6000V/I IDC DC-MAX Maxim Integrated accord- IDC ...
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... AND/ BAT Figure 4. SYS Tracking V to the Minimum System Voltage BAT Maxim Integrated MAX8903A–E/G/H/J/N/Y 2A 1-Cell Li+ DC-DC Chargers for USB and Adapter Power source is connected at USB. The source at USB is valid when 4.1V < V feature is not required, connect UOK to ground. Both the UOK and the DOK circuitry remain active in thermal overload, USB suspend, and when the charger is disabled ...
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... USB suspend No USB input MAXIMUM CHARGE CURRENT** Lesser of 1200V/R and ISET 6000V/R IDC Lesser of 1200V/R and ISET 100mA Lesser of 1200V/R and ISET 500mA 0 Lesser of 1200V/R and ISET 100mA Lesser of 1200V/R and ISET 500mA 0 0 Soft-Start < SYS BAT Maxim Integrated ...
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... DISCHARGING BATTERY CHARGING CURRENT (A) Figure 5. Monitoring the Battery Charge Current with the Voltage from ISET to GND Maxim Integrated MAX8903A–E/G/H/J/N/Y 2A 1-Cell Li+ DC-DC Chargers for USB and Adapter Power reaches V of the maximum fast-charge current, the charger enters the DONE state. The charger restarts a fast-charge cycle if the battery voltage drops by 100mV ...
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... FLT = LOW I = 0mA CHG TIMER > t FSTCHG (TIMER SLOWED < I /2, AND CHG CHGMAX PAUSED IF I < I CHG CHGMAX < I TERM = V BAT BATREG V < BAT BATREG RSTRT RESET TIMER (i.e., the charger is in voltage mode). /5 WHILE V < BAT BATREG Maxim Integrated ...
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... DC is greater than ~1.5V. VL does not turn off when the input voltage is above the overvoltage threshold. Similarly, VL does not turn off when the charger is dis- abled (CEN = high). Connect a 1µF ceramic capacitor from VL to GND. Maxim Integrated MAX8903A–E/G/H/J/N/Y 2A 1-Cell Li+ DC-DC Chargers for USB and Adapter Power CEN ...
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... Similarly, when the input voltage is too high to allow f Power Dissipation MULTILAYER PCB 2286mW Derate 28.6mW/°C above +70°C 35°C/W 3°C/W Inductor Selection for due SW ) constraints. In high duty and OFFMIN operation due to minimum SW Maxim Integrated ...
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... SYS MAX = L OUT MIN OFF K where t is the minimum off-time obtained from (1). OFF Maxim Integrated MAX8903A–E/G/H/J/N/Y 2A 1-Cell Li+ DC-DC Chargers for USB and Adapter Power (4) = 4MHz offer the SW where V the minimum charger output voltage, and t = 1MHz SW time at high input voltage, as given by the following ...
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... MAX8903H/J/N/Y, 4MHz or 1.5µH Inductor, VLS4012ET-1R5N, TDK 4mm x 4mm x 1.2mm, 72mW (max), 2.1A 2.2µH inductor, IFSC1008ABER2R2M01, Vishay 2.5mm x 2mm x 1.2mm, 90mΩ (max), 2.15A MAX8903H/J/N/Y, 4MHz or 2.2µH inductor, LQH3NPN2R2NJ0, Murata 3mm x 3mm x 1.1mm, 83mΩ (max), 1.15A RECOMMENDED INDUCTOR Maxim Integrated ...
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... See the Selector Guide for more information about part numbers. Maxim Integrated MAX8903A–E/G/H/J/N/Y 2A 1-Cell Li+ DC-DC Chargers for USB and Adapter Power PART NUMBER, SWITCHING FREQUENCY* 2.2µH inductor, DFE322512C-2R2N, TOKO MAX8903A/B/C/D/E, 3.2mm x 2.5mm x 1.2mm, 91mΩ (max), 2.4A 4MHz or 2.2µ ...
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... Yes No No — (Note 8) — 3.0V 4.4V 1µH 1µH 4MHz 25mV/A 22µF 4.15V 3V 3V 1mA No No — — Maxim Integrated ...
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... TOP VIEW CHG SYS 23 SYS 24 MAX8903_ TQFN Maxim Integrated MAX8903A–E/G/H/J/N/Y 2A 1-Cell Li+ DC-DC Chargers for USB and Adapter Power PROCESS: BiCMOS CEN ISET 13 12 GND 11 IDC DOK 6 7 Chip Information 27 ...
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... RoHS status only. Package drawings may show a different suffix character, but the draw- ing pertains to the package regardless of RoHS status. PACKAGE TYPE 28 TQFN-EP 28 PACKAGE CODE OUTLINE NO. T2844-1 21-0139 Package Information LAND PATTERN NO. 90-0035 Maxim Integrated ...
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... For the latest package outline information and land patterns (footprints www.maximintegrated.com/packages. Note that a "+", "#", or "-" in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the draw- ing pertains to the package regardless of RoHS status. Maxim Integrated MAX8903A–E/G/H/J/N/Y 2A 1-Cell Li+ DC-DC Chargers ...
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... Electrical Characteristics table are guaranteed. Other parametric values quoted in this data sheet are provided for guidance. ________________________________Maxim Integrated 160 Rio Robles, San Jose, CA 95134 USA 1-408-601-1000 30 © 2012 Maxim Integrated Products, Inc. DESCRIPTION The Maxim logo and Maxim Integrated are trademarks of Maxim Integrated Products, Inc. Revision History PAGES CHANGED — ...