BQ24157YFFR - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

BQ24157YFFR
Manufacturer

TI
ChipWorker Part#

CW18406070
Category

Battery Management IC
Package

BGA-20
Description

Battery Charger Li-Ion/Li-Pol Packs 1550mA 3.5V to 4.44V 20Pin DSBGA T/R
Documentation

Datasheet

BQ24157YFFR Global Supplier

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BQ24157YFFR Specifications

Attribute	Attribute Value

Part Number	BQ24157YFFR
Manufacturer	TI
ChipWorker Part#	CW18406070
Category	Battery Management IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	20 Pin
Case/Package	BGA-20
Output Voltage	3.5V ~ 4.44V
Output Current	1550 mA
Switching Frequency	3.00 MHz
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-30 ℃
Supply Voltage (Max)	6 V
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Operating Temperature	-30℃ ~ 85℃ (TA)
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
HK STC License	NLR

Product Description

* Power Up System without Battery * Charge Faster than Linear Chargers * High-Accuracy Voltage and Current Regulation * Input Current Regulation Accuracy: ±5% (100 mA and 500 mA) * Charge Voltage Regulation Accuracy: ±0.5% (25°C), ±1% (0°C to 125°C) * Charge Current Regulation Accuracy: ±5% * Input Voltage Based Dynamic Power Management (VIN DPM) * Bad Adaptor Detection and Rejection * Safety Limit Register for Maximum Charge Voltage and Current Limiting * High-Efficiency Mini-USB/AC Battery Charger for Single-Cell Li-Ion and Li-Polymer Battery Packs * 20-V Absolute Maximum Input Voltage Rating * 6.5-V Maximum Operating Input Voltage * Built-In Input Current Sensing and Limiting * Integrated Power FETs for Up To 1.55-A Charge Rate * Programmable Charge Parameters through I2C™ Compatible Interface (up to 3.4 Mbps): * Input Current Limit * VIN DPM Threshold * Fast-Charge/Termination Current * Charge Regulation Voltage (3.5 V to 4.44 V) * Low Charge Current Mode Enable/Disable * Termination Enable/Disable * Support up to 1.55A Charge Current using 55 mΩ Sensing Resistor * Synchronous Fixed-Frequency PWM Controller Operating at 3 MHz With 0% to 99.5% Duty Cycle * Automatic High Impedance Mode for Low Power Consumption * Robust Protection * Reverse Leakage Protection Prevents Battery Drainage * Thermal Regulation and Protection * Input/Output Overvoltage Protection * Status Output for Charging and Faults * USB Friendly Boot-Up Sequence * Automatic Charging * Boost Mode Operation for USB OTG * Input Voltage Range (from Battery): 3.2 V to 4.5 V * 2.1 mm × 2 mm 20-Pin WCSP Package

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- Carefully tested and packaged by ChipWorker
- Vacuum packed
- Anti-static packaging
- Anti-vibration foam
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- Electrical testing
- Surface testing

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