Texas Instruments BQ24123RHLRG4 Microcontrollers
Synchronous Switch-mode 2-cell Li-ion charger w/2A FET, enhanced EMI performance 20-VQFN -40 to 85

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
BQ24123RHLRG4
Detailed Description
Synchronous Switch-mode 2-cell Li-ion charger w/2A FET, enhanced EMI performance 20-VQFN -40 to 85
Package
20-VFQFN Exposed Pad
Lifecycle Status
Active
Datasheet
BQ24123RHLRG4 Datasheet
Quick Jump:
Technical Specifications
Texas Instruments BQ24123RHLRG4 Microcontrollers technical specifications.
General
Series
bqSWITCHER™
Package / Case
20-VFQFN Exposed Pad
Operating Temperature
-40°C ~ 85°C (TA)
Battery Chemistry
Lithium Ion/Polymer
Fault Protection
Over Temperature
Numberof Cells
1 ~ 3
Current Charging
Constant - Programmable
Charge Current Max
2A
Battery Pack Voltage
8.4V
Voltage Supply Max
16V
Alternate Parts Comparison (BQ24123RHLRG4 vs BQ25017RHLR vs BQ24103ARHLRG4 vs LM5123QRGRRQ1)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 20-VFQFN Exposed Pad | 20-VFQFN Exposed Pad | 20-VFQFN Exposed Pad | 20-VFQFN Exposed Pad |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 150°C (TJ) |
| Battery Chemistry | Lithium Ion/Polymer | Lithium Ion/Polymer | Lithium Ion/Polymer | -- |
| Battery Pack Voltage | 8.4V | 4.2V | 8.4V | -- |
| Charge Current Max | 2A | 500mA | 2A | -- |
| Current Charging | Constant - Programmable | Constant - Programmable | Constant - Programmable | -- |
| Voltage Supply Max | 16V | 6.5V | 16V | -- |
| Mounting Type | -- | Surface Mount | Surface Mount | Surface Mount |
| Action |
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.