Controller IC Chip - MOFSET BQ24753ARHDT BQ24753A BQ24753A BQ24753 chip for laptop - Integrated Laptop Chip (Code 1-CHIP0345)

Controller IC Chip - MOFSET BQ24753ARHDT BQ24753A BQ24753 chip for laptop- Integrated portable calculator chip(SKU.1-CHIP0345)

Host-Controlled Li-Ion and Li-Polymer Battery Charger with Low Iq and System Power Selector

The bq24753A is a high-efficiency, synchronous battery charger with integrated compensation and system power selector logic, offering low component count for space-constrained Li-Ion and Li-Polymer battery charging applications. Ratiometric charge current and voltage programming allows for high regulation accuracies, and can be either hardwired with resistors or programmed by the system power-management microcontroller using a DAC or GPIOs. The bq24753A charges two, three, or four series Li+ cells, supporting up to 10 A of charge current, and is available in a 28-pin, 5x5-mm thin VQFN package.

NMOS-NMOS Synchronous Buck Converter with 300 kHz Frequency and >95% Efficiency 30-ns Minimum Driver Dead-time and 99.5% Maximum Effective Duty Cycle High-Accuracy Voltage and Current Regulation — ±0.5% Charge Voltage Accuracy — ±3% Charge Current Accuracy — ±3% Adapter Current Accuracy — ±2% Input Current Sense Amp Accuracy Integration — Automatic System Power Selection From AC/DC Adapter or Battery — Internal Loop Compensation — Internal Soft Start Safety — Programmable Input Overvoltage Protection (OVP) — Fast Dynamic Power Management (DPM) — Programmable Inrush Adapter Power (ACOP) and Overcurrent (ACOC) Limits — Reverse-Conduction Protection Input FET Supports Two, Three, or Four Li+ Cells 8 — 24 V AC/DC-Adapter Operating Range Analog Inputs with Ratiometric Programming via Resistors or DAC/GPIO Host Control — Charge Voltage (4-4.512 V/cell) — Charge Current (up to 10 A, with 10-m0) — Adapter Current Limit (DPM) Status and Monitoring Outputs — Adapter Present with Programmable Voltage Threshold — Current Drawn from Input Source Battery Learn Cycle Control Charge Enable 28-pin, 5x5-mm VQFN package Energy Star Low lq — < 10 pA Off-State Battery Discharge Current — < 1.5 mA Off-State Input Quiescent Current

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