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MAX1645EEI Datasheet(PDF) 10 Page - Maxim Integrated Products |
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MAX1645EEI Datasheet(HTML) 10 Page - Maxim Integrated Products |
10 / 32 page Advanced Chemistry-Independent, Level 2 Battery Charger with Input Current Limiting 10 ______________________________________________________________________________________ Pin Description Battery Voltage Output BATT 9 DAC Voltage Output DAC 10 Logic Circuitry Supply Voltage Input (2.8V to 5.65V) VDD 11 Thermistor Voltage Input THM 12 SMB Clock Input SCL 13 Charging Source Compensation Capacitor Connection. Connect a 0.01µF capacitor from CCS to GND. CCS 5 Battery Current-Loop Compensation Capacitor Connection. Connect a 0.01µF capacitor from CCI to GND. CCI 6 Battery Voltage-Loop Compensation Capacitor Connection. Connect a 10k Ω resistor in series with a 0.01µF capacitor to GND. CCV 7 Ground GND 8 4.096V Reference Voltage Output REF 4 Source Current Limit Input CLS 3 PIN 5.4V Linear-Regulator Voltage Output. Bypass with a 1µF capacitor to GND. LDO 2 DC Supply Voltage Input DCIN 1 FUNCTION NAME Inductor Voltage Sense Input LX 22 High-Side NMOS Driver Output DHI 23 High-Side Driver Bootstrap Voltage Input. Bypass with 0.1µF capacitor to LX. BST 24 Charging Source Current-Sense Negative Input CSSN 25 Charging Source Current-Sense Positive Input CSSP 26 Battery Current-Sense Positive Input CSIP 18 Power Ground PGND 19 Low-Side NMOS Driver Output DLO 20 Low-Side NMOS Driver Supply Voltage. Bypass with 0.1µF capacitor to GND. DLOV 21 Battery Current-Sense Negative Input CSIN 17 PMOS Load Switch Driver Output PDL 16 Interrupt Output. Open-drain output. Needs external pull-up. INT 15 SMB Data Input/Output. Open-drain output. Needs external pull-up. SDA 14 Charging Source PMOS Switch Driver Output PDS 27 Charging Source Voltage Input CVS 28 |
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