Specifications
| Type | Description |
|---|---|
| Part Number | BQ24195L |
| Manufacturer | Texas Instruments |
| Product Type | LDO Regulator |
| Category | Power Management |
| Package / Case | 24-pin VQFN (RGE) with exposed thermal pad, 4.00 mm x 4.00 mm |
| Fast Charge Current | 2.5 A |
| Boost Output Voltage | 5.1 V |
| Boost Output Current | 1 A |
| Charge Efficiency | 92% at 2 A charge current |
| Boost Efficiency | 94% at 5.1 V boost output and 1 A |
| Battery Discharge MOSFET On Resistance | 12 mOhm |
| Battery Discharge Current Capability | up to 9 A |
| Input Operating Voltage Range | 3.9 V to 17 V |
| Input Current Limit Options | 100 mA, 150 mA, 500 mA, 900 mA, 1.2 A, 1.5 A, 2 A, 3 A |
| Switching Frequency | 1.5 MHz |
| Charge Voltage Regulation Accuracy | +/-0.5% from 0°C to 125°C |
| Charge Current Regulation Accuracy | +/-7% from 0°C to 125°C |
| Input Current Regulation Accuracy | +/-7.5% from 0°C to 125°C |
| Boost Output Regulation Accuracy | +/-2% in boost mode from 0°C to 125°C |
| Minimum System Voltage | 3.5 V programmable |
| Thermal Regulation Threshold | 120°C programmable junction temperature threshold |
| Battery Chemistry | single-cell Li-Ion and Li-polymer |
| Charging Phases | pre-conditioning, constant current, constant voltage |
| USB Detection Standard | USB Battery Charging Specification 1.2 |
| USB Power Specification Support | USB 2.0 and USB 3.0 |
| I2C Interface | supported |
| STAT Output Function | LOW = charge in progress; HIGH = charge complete or charge disabled; blinks at 1 Hz on fault |
| INT Output Pulse Width | 256 us |
| ILIM Current Limit Formula | IINMAX = (1 V / RILIM) x 530 |
| Minimum ILIM Programmed Input Current | 500 mA |
| VBUS Capacitor Recommendation | 1 uF ceramic capacitor from VBUS to PGND, placed close to IC |
| BAT Capacitor Recommendation | 10 uF capacitor placed close to BAT pin |
| REGN Capacitor Recommendation | 4.7 uF, 10 V ceramic capacitor from REGN to analog GND |
| Bootstrap Capacitor Recommendation | 0.047 uF capacitor from SW to BTST |
| Datasheet Status | request_only |
Product Overview
The BQ24195L is a Texas Instruments Power_Management IC for single-cell USB adapter charging. It is intended for single-cell Li-Ion and Li-polymer battery systems and manages an autonomous charge cycle with pre-conditioning, constant-current, and constant-voltage phases.
Key Features
- 2.5 A fast charge current for BQ24195L
- 5.1 V boost output on PMID pin
- 1 A boost output current in battery boost mode
- 92% charge efficiency at 2 A charge current
- 94% boost efficiency at 5.1 V and 1 A
- 3.9 V to 17 V VBUS input operation
- 1.5 MHz switch-mode charger frequency
- I2C interface for charging and system settings
- USB BC1.2 D+/D- charging port detection
- Programmable 120°C thermal regulation threshold
Typical Applications
- Single-cell Li-Ion battery charging
- Single-cell Li-polymer battery charging
- USB adapter powered systems
- USB 2.0 charging inputs
- USB 3.0 charging inputs
- Battery boost output rails
- I2C-managed charging systems
Procurement Notes
When requesting a quote for BQ24195L, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.
If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.
For power IC and power device sourcing, voltage rating, current rating, power dissipation, package thermal performance, protection features, qualification grade and application conditions should be reviewed before approval.
FAQ
What battery chemistry does BQ24195L support?
BQ24195L supports single-cell Li-Ion and Li-polymer battery charge management. Its autonomous charge cycle includes pre-conditioning, constant-current charging, and constant-voltage charging phases.
What are the main charging and boost ratings?
For BQ24195L, the extracted ratings include 2.5 A fast charge current, 5.1 V boost output voltage at the PMID pin, and 1 A boost output current in battery boost mode.
How is the input current limit configured?
The device supports input current limit options from 100 mA to 3 A. The ILIM resistor formula is IINMAX = (1 V / RILIM) x 530, with a minimum ILIM programmed input current of 500 mA.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: June 30, 2026.
This page is based on manufacturer datasheet information and LDeepAI sourcing review. Specifications should be verified against the official manufacturer datasheet before final procurement or design approval. Final electrical, optical and reliability approval should be confirmed by the buyer's engineering team.