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BQ24295 Datasheet PDF

Part Series:BQ24295 Series
Category:Battery Management
Description:I2C Controlled 3A Single Cell USB Charger with Adjustable Voltage and 1.5A OTG 24-VQFN -40℃ to 85℃
Document:BQ24295RGET Datasheet PDF (53 Pages)

BQ24295RGET - TI Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Number of Pins
24 Pin
Case/Package
VQFN-24
Input Voltage (DC)
6.20 V
Output Voltage
3.5V ~ 4.4V
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BQ24295RGET - TI Function Overview

The BQ24295RGET is a single cell USB Charger with adjustable voltage. Its low impedance power path optimizes switch-mode operation efficiency, reduces battery charging time and extends battery life during discharging phase. The I2C serial interface with charging and system settings makes the device a truly flexible solution. The device supports 3.9 to 6.2V USB input sources, including standard USB host port and USB charging port with 6.4V over-voltage protection. The BQ24295 is compliant with USB 2.0 and USB 3.0 power specifications with input current and voltage regulation. To set the default input current limit, the bq24295 detects the input source through D+/D- detection following the USB battery charging spec 1.2. In addition, it detects non-standard 2A/1A adapters. The power path management regulates the system slightly above battery voltage but does not drop below 3.5V minimum system voltage (programmable).
Synchronous boost converter in battery boost mode
Instant system on with no battery or deeply discharged battery
Ideal diode operation in battery supplement mode
Battery charge enable
Battery charge preconditioning
Charge termination and recharge
±0.5% Charge voltage regulation
±7% Charge current regulation
Synchronous switching MOSFETs
Bootstrap diode
Thermal regulation and thermal shutdown
Green product and no Sb/Br
Device has limited built-in ESD protection, leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.
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