BQ24610QRGERQ1 - 1-6 Cell Buck Battery Charger Q1 | Texas Instruments
MPN: BQ24610QRGERQ1 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.1 | $4.10 |
| 10 | $3.69 | $36.90 |
| 100 | $3.28 | $328.00 |
| 500 | $2.95 | $1,475.00 |
| 1,000 | $2.66 | $2,660.00 |
Drop-in alternatives for BQ24610QRGERQ1 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
BQ24610RGER
β Drop-Inβ In Stock
$1.85 / Unit
View Datasheet βBQ24617RGERQ1
β Drop-Inπ Reference alternative (not in catalog)
BQ24616RGER
β Drop-Inπ Reference alternative (not in catalog)
BQ24600RGER
β‘ Same Packageπ Reference alternative (not in catalog)
BQ24610QRGERQ1 Maximum Ratings & Electrical Characteristics
| Battery Chemistry | Li-Ion / Li-Polymer |
| Battery Cell Count | 1 to 6 cells |
| Topology | Synchronous Buck Charge Controller (external MOSFETs) |
| Input Voltage Range | up to 28 V [DATA_NEEDED: exact min input voltage] |
| Automotive Qualification | AEC-Q100 Qualified |
| Charge Voltage Accuracy | 0.5% [DATA_NEEDED: verify against datasheet] |
| Power Path | System Power Selector (battery disconnect operation) |
| Charge Phases | Preconditioning, Constant-Current, Constant-Voltage, Termination |
| Adapter Current Regulation | Yes |
| Charge Status Indication | STAT1/STAT2 outputs |
| Battery Temperature Monitoring | TS pin NTC qualification |
| Safety Timer | Programmable charge safety timer |
| Package | VQFN-24 (RGE) 4x4 mm |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +125C (AEC-Q100 Grade 1) [DATA_NEEDED: confirm grade] |
| RoHS Status | Compliant |
BQ24610QRGERQ1 Pin Configuration
| Pin 1 | BTST β Bootstrap for high-side gate driver |
| Pin 2 | ACDET β Adapter detection and input voltage divider sense |
| Pin 3 | ICHG β Charge current programm pin |
| Pin 4 | ACSET β Adapter current limit setpoint / DPM input |
| Pin 5 | VREF β Internal 3.3V reference output |
| Pin 6 | TS β Battery temperature NTC monitoring input |
| Pin 7 | STAT1 β Charge status output 1 |
| Pin 8 | STAT2 β Charge status output 2 |
| Pin 9 | PGND β Power ground |
| Pin 10 | VCC β IC supply voltage |
| Pin 11 | SRP β Charge current sense resistor positive input |
| Pin 12 | SRN β Charge current sense resistor negative input |
| Pin 13 | BTST2 β Bootstrap (per datasheet pin functions) |
| Pin 14 | VFB β Battery voltage feedback |
| Pin 15 | PH β Switch node / half-bridge output |
| Pin 16 | GND β Analog ground |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
BQ24610QRGERQ1 is suitable for 6 applications: Automotive Telematics Backup Battery, Portable Industrial Instruments, Medical Handheld and Portable Devices, Industrial Battery-Powered Data Loggers, Multi-Cell Speaker and Audio Systems, Robotics and AGV Auxiliary Battery Charging.
Automotive Telematics Backup Battery
The BQ24610QRGERQ1 charges 1-2 cell Li-ion backup batteries that keep telematics and eCall modules alive during cranking transients and key-off conditions. Its AEC-Q100 qualification and up to 28 V input tolerance handle automotive 12 V rail excursions, while the system power selector lets the telematics ECU boot directly from the vehicle rail even if the backup cell is deeply discharged. The TS pin NTC monitoring prevents charging outside safe battery temperatures in cabin environments.
Recommended
Portable Industrial Instruments
Handheld test and measurement instruments using 2-4S Li-ion packs benefit from the BQ24610QRGERQ1's high-accuracy CC/CV regulation (0.5% class charge voltage accuracy) and programmable fast-charge current via the external sense resistor. The synchronous buck topology with external MOSFETs achieves high efficiency at multi-amp charge rates, minimizing heat in sealed enclosures, and the STAT1/STAT2 outputs drive simple LED status indication for operators.
Recommended
Medical Handheld and Portable Devices
Portable medical diagnostics require reliable, safe battery charging with termination and safety timers. The BQ24610QRGERQ1 provides preconditioning for over-discharged packs, NTC-based battery temperature qualification, and programmable charge termination, protecting patient-adjacent devices. Its low quiescent current extends standby runtime, and the power selector guarantees the device powers up on adapter insertion even with an absent battery - important for clinical uptime.
Recommended
Industrial Battery-Powered Data Loggers
Field data loggers with 1-3S Li-ion packs charge from 12-24 V industrial adapters. The BQ24610QRGERQ1's wide input range and adapter current regulation prevent overloading shared supply rails, while charge status outputs interface to a host MCU for fleet monitoring. The automotive qualification margin also suits harsh factory floor temperature and vibration conditions beyond typical consumer charger ICs.
Recommended
Multi-Cell Speaker and Audio Systems
Portable PA and premium Bluetooth speakers using 3-4S packs need several amps of charge current to shorten recharge time. Because the BQ24610QRGERQ1 drives external MOSFETs, designers scale the sense resistor and power stage to 5 A or more while the constant-frequency current-mode control keeps loop behavior predictable. Adapter current limiting lets the speaker run at full playback power while charging without tripping the external supply.
Recommended
Robotics and AGV Auxiliary Battery Charging
Autonomous mobile robots and AGVs use 4-6S packs for onboard controllers. The BQ24610QRGERQ1 supports up to 6-cell charging with a synchronous buck power stage scaled for high current, plus a power selector that lets the robot's compute stack boot from docking power before the pack is connected. Thermal shutdown and safety timers protect packs charged in confined, thermally stressed enclosures.
Recommended
Recommended Products Summary
Engineering reference data for BQ24610QRGERQ1 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | BQ24610RGER | BQ24617RGERQ1 | BQ24133QRGYRQ1 |
|---|---|---|---|---|
| Package | VQFN-24 (RGE) 4x4 mm | VQFN-24 (RGE) - same | VQFN-24 (RGE) - same | VQFN-14 (RGY) - different package |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Automotive Qualification | AEC-Q100 (Q1) | No | Yes (Q1) | Yes (Q1) |
| Cell Count | 1-6 cells | 1-6 cells | 1-6 cells | 1-4 cells |
| Topology | Synchronous buck controller (external FETs) | Synchronous buck controller | Synchronous buck controller | Buck charge controller |
| System Power Selector | Yes | Yes | Yes | [DATA_NEEDED] |
| Input Voltage Range | Up to 28 V | Up to 28 V | Up to 28 V | [DATA_NEEDED] |
| RoHS | Compliant | Compliant | Compliant | Compliant |
Key Differentiators
- AEC-Q100 automotive qualification (vs BQ24610RGER)
- Integrated system power selector (vs BQ24133QRGYRQ1)
- External MOSFET power stage scalability (vs Integrated charger ICs (e.g., BQ24251RGER))
Design Notes
Set fast-charge current with the SRP-SRN sense resistor using the datasheet equation; 10 mΞ© to 20 mΞ© values are typical for 2.5-5 A designs. Power dissipation is dominated by external high-side/low-side MOSFET Rds(on) and switching loss - select FETs with low Qg and Rds(on) and verify thermal rise at worst-case VIN and charge current. Ensure adapter detection divider on ACDET matches the adapter voltage window.
Follow TI datasheet PCB layout guidelines: keep the BTST bootstrap capacitor close to BTST and PH, minimize the gate-drive loop area, route SRP/SRN as Kelvin connections directly at the sense resistor pads, and use a solid PGND plane under the power stage. Place the TS resistor divider near the battery pack NTC connector with filtering to reject noise.
Do not omit the VREF output capacitor or exceed the ACDET absolute maximum rating during automotive load-dump events - add front-end TVS protection on the adapter input. Verify the safety timer setting matches the pack capacity so slow trickle charging of a deeply discharged battery is not terminated prematurely. Stat pins are open-drain style outputs; include pull-up resistors sized for LED or MCU input loading.
Compliance Information
AEC-Q100 qualified per Q1 ordering part number. RoHS compliant per TI product data. REACH and halogen-free status not stated in retrieved data.
