BQ24295RGER Power Path Management IC Battery Management I2C Cntrl 3A SGL Cell USB Charger
power management integrated circuit
,microchip battery management
BQ24295RGER Power Path Management IC Battery Management I2C Cntrl 3A SGL Cell USB Charger
1 Features
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90% High Efficiency Switch Mode 3-A Charger
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3.9-V to 6.2-V Single Input USB-Compliant Charger with 6.4-V Over-Voltage Protection
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– USB Host or Charging Port D+/D- Detection Compatible to USB Battery Charger Spec (BC1.2)
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– Support Non-Standard 2-A/1-A Adapters Detection
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– Input Voltage and Current Limit Supports USB2.0 and USB 3.0
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– Input Current Limit: 100 mA, 150 mA, 500 mA, 900 mA, 1 A, 1.5 A, 2 A, and 3 A
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Synchronous Boost Converter in Battery Boost Mode with
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– Adjustable Output 4.55 V – 5.5 V at 1.5 A
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– 90% 5.1-V Boost Mode Efficiency
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– Fast OTG Startup (22 ms Typ)
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Narrow VDC (NVDC) Power Path Management
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– Instant System On with No Battery or Deeply Discharged Battery
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– Ideal Diode Operation in Battery Supplement Mode
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1.5-MHz Switching Frequency for Low Profile 1.2- mm Inductor
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I2C Port for Optimal System Performance and Status Reporting
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Autonomous Battery Charging with or without Host Management
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– Battery Charge Enable
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– Battery Charge Preconditioning
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– Charge Termination and Recharge
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High Accuracy
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– ±0.5% Charge Voltage Regulation
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– ±7% Charge Current Regulation
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– ±7.5% Input Current Regulation
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– ±3% Output Voltage Regulation in Boost Mode
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High Integration
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– Power Path Management
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– Synchronous Switching MOSFETs
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– Integrated Current Sensing
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– Bootstrap Diode
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– Internal Loop Compensation
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• Safety
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– Battery Temperature Sensing for Charging and Discharging in Boost Mode
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– Battery Charging Safety Timer
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– Thermal Regulation and Thermal Shutdown
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– Input and System Over-Voltage Protection
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– MOSFET Over-Current Protection
• Charge Status Outputs for LED or Host Processor
• Maximum Power Tracking Capability by Input Voltage Regulation
• 20-μA Low Battery Leakage Current and Support Shipping Mode
• 4mm x 4mm VQFN-24 Package
2 Applications
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Power Bank for Smartphone, Tablet
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Portable Media Players
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Internet Devices
3 Description
The bq24295 is a highly-integrated switch-mode battery charge management and system power path management devices for 1 cell Li-Ion and Li-polymer battery in a wide range of power bank, tablet and other portable device applications.
Device Information
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PART NUMBER |
PACKAGE |
BODY SIZE (NOM) |
|
bq24295 |
VQFN (24) |
4.00 mm x 4.00 mm |
| Image | Part # | Description | |
|---|---|---|---|
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MCU 32 Bit STM32F070F6P6 20 Pin TSSOP 32KB Flash 2.4V To 3.6V |
ARM® Cortex®-M0 STM32F0 Microcontroller IC 32-Bit Single-Core 48MHz 32KB (32K x 8) FLASH 20-TSSOP
|