BQ24751BRHD - Brand New Texas Instruments Battery Management ICs
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Description
The BQ24751BRHD is an electronic component model in the battery management ICs product category. It is an integrated Li-Ion linear charger and system power path management device designed for space-limited portable applications. This device can operate from either a USB port or an AC adapter and supports charge currents up to 1.5 A. It offers protection against poor USB sources with its input-based dynamic power management (VIN-DPM) feature, preventing charger crashing. The BQ24751BRHD is fully compliant with USB charger standards, with selectable 100-mA and 500-mA maximum input current options and a 100-mA maximum current limit to ensure compliance with the USB-IF standard. Its 28-V input rating is equipped with overvoltage protection. It also has an integrated dynamic power path management (DPPM) function, providing simultaneous powering of the system and charging of the battery. The BQ24751BRHD supports up to 1.5-A charge current with current monitoring output (ISET) and has a programmable input current limit of up to 1.5 A for wall adapters. Other features include system output tracking battery voltage, programmable termination current, battery disconnect function, programmable pre-charge and fast-charge safety timers, and reverse current, short-circuit, and thermal protection. It also has an NTC thermistor input and a proprietary start-up sequence that limits inrush current. The BQ24751BRHD provides status indication for charging/done and power good.
Specifications and Features
- Fully Compliant USB Charger
- Selectable 100-mA and 500-mA Maximum Input Current
- 100-mA Maximum Current Limit Ensures Compliance to USB-IF Standard
- Input-Based Dynamic Power Management (VIN-DPM) for Protection Against Poor USB Sources
- 28-V Input Rating with Overvoltage Protection
- Integrated Dynamic Power Path Management (DPPM) Function Simultaneously and Independently Powers the System and Charges the Battery
- Supports up to 1.5-A Charge Current with Current Monitoring Output (ISET)
- Programmable Input Current Limit up to 1.5 A for Wall Adapters
- System Output Tracks Battery Voltage (bq24072)
- Programmable Termination Current (bq24074)
- Battery Disconnect Function with SYSOFF Input (bq24075, bq24079)
- Programmable Pre-Charge and Fast-Charge Safety Timers
- Reverse Current, Short-Circuit and Thermal Protection
- NTC Thermistor Input
- Proprietary Start-up Sequence Limits Inrush Current
- Status Indication – Charging/Done, Power Good
Application Scenarios
The BQ24751BRHD is commonly used in the following applications:
- Smart Phones
- Portable Media Players
- Portable Navigation Devices
- Low-Power Handheld Devices
Comparison
Advantages- Integrated Li-Ion linear charger and system power path management in one device
- Supports charge currents up to 1.5 A
- Input-based dynamic power management for protection against poor USB sources
- 28-V input rating with overvoltage protection
- Simultaneous powering of the system and charging of the battery
- Programmable input current limit for wall adapters
- Various safety features including programmable termination current, battery disconnect function, and protection against reverse current, short-circuit, and thermal issues
- Status indication for charging/done and power good
Disadvantages- No specific disadvantages mentioned
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Similar parts: 3236 , Click to view
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Datasheet
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Shopping guide
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- Datasheet: Download BQ24751BRHD
- Chipdatas Part: CD94-BQ24751BRHD
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/03 09:33 +0800
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- Full or Partial Refund , If the item is not as described
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