BQ24640RVAR - TI

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

Part No

BQ24640RVAR
Manufacturer

TI
ChipWorker Part#

CW7401344
Category

Battery Management IC
Package

VQFN-16
Description

Battery Charge Management High Efficiency Synchronous Switch-Mode Battery Charge Controller for Super Capacitor Charge Controller 10000mA 16Pin VQFN EP T/R
Documentation

Datasheet

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BQ24640RVAR Specifications

Attribute	Attribute Value

Part Number	BQ24640RVAR
Manufacturer	TI
ChipWorker Part#	CW7401344
Category	Battery Management IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	VQFN-16
Output Current	10 A
Supply Current	1 mA
Switching Frequency	600 kHz
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	5V ~ 28V
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Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

The bq24640 device is a highly integrated switched-mode super capacitor charge controller. The device offers a constant-frequency synchronous PWM controller with high accuracy charge current, voltage regulation, and charge status monitoring.
The bq24640 charges a super capacitor in two phases: constant current and constant voltage (CC/CV). The device can charge super capacitors from 0 V with current set on the ISET pin. When the super capacitor voltage reaches the programmed target voltage, charge current begins tapering down.
The bq24640 enters a low-current sleep mode (<15 µA) when the input voltage falls below the output capacitor voltage.
The bq24640 has an input CE pin to enable and disable charge, and the STAT and PG output pins report charge and adapter status. The TS pin on the bq24640 monitors the temperature of the capacitor and suspends charge during hot and cold conditions.

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