BQ24702PW - TI

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

Part No

BQ24702PW
Manufacturer

TI
ChipWorker Part#

CW26734683
Category

Battery Management IC
Package

TSSOP-24
Description

Battery Charge Management Multi-Chemistry Battery Charge Controller and System Power Selector Charge Controller Li-Ion 7.1mA 2.5V 24Pin TSSOP Tube
Documentation

Datasheet

BQ24702PW Global Supplier

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BQ24702PW Specifications

Attribute	Attribute Value

Part Number	BQ24702PW
Manufacturer	TI
ChipWorker Part#	CW26734683
Category	Battery Management IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	24 Pin
Case/Package	TSSOP-24
Supply Voltage (DC)	4.50 V, 28.0 V (max)
Input Voltage (DC)	28.0 V
Output Voltage	2.5 V
Output Current	7.1 mA
Number of Channels	1 Channel
Number of Positions	24 Position
Switching Frequency	350 kHz
Output Voltage (Max)	5.013 V
Output Voltage (Min)	4.985 V
Output Current (Max)	9.4 mA
Output Current (Min)	5 mA
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	4.5V ~ 28V
Input Voltage	28 V
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Size-Length	7.9 mm
Size-Width	4.5 mm
Size-Height	1.2 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2015/06/15
ECCN Code	EAR99

Product Description

The BQ24702PW is a highly integrated Battery Charge Controller and System Power Selector uses dynamic power management (DPM) to minimize battery charge time by maximizing use of available wall-adapter power. This is achieved by dynamically adjusting the battery charge current based on the total system (adapter) current. It also uses a fixed frequency, pulse width modulator (PWM) to accurately control battery charge current and voltage. Charge current limits can be programmed from a keyboard controller DAC or by external resistor dividers from the precision 5V, ±0.6%, externally bypassed voltage reference (VREF), supplied by the charge controller. The battery voltage limit can be programmed by using the internal 1.196V, ±0.5% precision reference, making it suitable for the critical charging demands of Li-ion cells.
Dynamic power management, DPM minimizes battery charge time
Zero volt operation
Selector feedback circuit ensures break-before-make transition
±0.4% Charge voltage accuracy, suitable for charging Li-ion cells
±4% Charge current accuracy
Depleted battery detection and indication to protect battery from over discharge
20µA Sleep mode current for low battery drain
Green product and no Sb/Br

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

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