Product Summary
The BQ25012RHLR is a single-chip charger and DC/DC converter IC for bluetooth headsets and other portable applications. The BQ25012RHLR offers integrated power FET and current sensor for charge control, reverse blocking protection, high accuracy current and voltage regulation, charge status, charge termination, and a highly efficient and low-power dc-dc converter in a small package. The applications of the BQ25012RHLR are (1)Bluetooth Headsets; (2)Bluetooth Accessories; (3)Low-Power Handheld Devices.
Parametrics
BQ25012RHLR absolute maximum ratings: (1)Supply voltage AC, USB (wrt VSS): – 0.3 V to 7 V; (2)PG , OUT, ISET1, ISET2, STAT1, STAT2, TS (wrt VSS): – 0.3 V to 7 V; (3)Input voltage: V OUT + 0.3 V; (4)Output sink/source current: 15 mA; (5)Output source current OUT: 1.5 A; (6)Storage temperature range, T stg: – 65 to 150℃; (7)Junction temperature range, T J: 0 to 125℃; (8)Lead temperature (solderig, 10 seconds): 260 ℃.
Features
BQ25012RHLR features: (1)Li-Ion Or Li-Pol Charge Management and Synchronous DC-DC Power Conversion In a Single Chip; (2)Optimized for Powering Bluetooth Headsets and Accessories; (3)Charges and Powers the System from Either the AC Adapter or USB with Autonomous Power Source Selection; (4)Integrated USB Charge Control with Selectable 100 mA and 500 mA Charge Rates; (5)Integrated Power FET and Current Sensor for Up to 500 mA Charge Applications AND 100 mA 1.8 V D -DC Controller with Integrated FET; (6)Reverse Leakage Protection Prevents Battery Drainage; (7)Automatic Power Save Mode For High Efficiency at Low Current, or Forced PWM for Frequency Sensitive Applications.
Diagrams
Image | Part No | Mfg | Description | Pricing (USD) |
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BQ25012RHLR |
Texas Instruments |
Battery Management Single-Chip Charger & DC/DC Converter IC |
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BQ25012RHLRG4 |
Texas Instruments |
Battery Management Single-Chip Charger & DC/DC Converter IC |
Data Sheet |
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