Texas Instruments BQ24617RGER — Power Management (PMIC / Gate Driver)
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RoHS Compliant · Lead-Free EIA-481 Standard
Texas Instruments / Power Management (PMIC / Gate Driver)

BQ24617RGER Li-Ion Battery Charger IC, 10A Max, 24-VQFN

MPN BQ24617RGER
Active Spot Stock · 24-48h Dispatch 100% Original Sealed

Texas Instruments BQ24617RGER, Li-Ion/Polymer battery charger IC, 1-5 cells, constant-current programmable, 10A max, 24-VFQFN exposed pad, surface mount, 0°C~125°C TJ.

In Stock: 70 pcs
MOQ: 1 pcs
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[SPEC] Essential Parameters Snapshot Full Specifications (12)
Package / Case 24-VFQFN Exposed Pad
Supply Voltage 24V

Full Technical Specifications

12 Parameters
BQ24617RGER specifications
Parameter / AttributeSpecification / Value
MountingSurface Mount
Battery pack voltage2.1V
Supply voltage24V
Current - chargingConstant - Programmable
Charge current - max10A
Operating temperature0°C~125°C(TJ)
PackageTape & Reel (TR); Cut Tape (CT)
Case24-VFQFN Exposed Pad
Number of cells1 ~ 5
Fault protectionOver Current, Over Temperature, Over Voltage, Short Circuit
Battery chemistryLithium Ion/Polymer
Programmable featuresCurrent
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Technical Details & Description

The 10 A max charge current places this part in the high-current synchronous buck class, not the linear charger tier. That means the external pass FETs, inductor, and input/output capacitors must be sized for the 10 A continuous path.

Fault protection set

On-die fault protection covers overcurrent, overvoltage, overtemperature, and short-circuit events. This reduces the need for external supervisory ICs or discrete comparators on the charge path. The overtemperature protection is particularly relevant for the 10 A charge current in confined enclosures — the IC self-limits before the inductor or FETs exceed their ratings.

Frequently asked questions

Is the BQ24617RGER compatible with 4-cell Li-Ion batteries?

Yes. The BQ24617RGER supports 1 to 5 cells, so a 4-cell Li-Ion pack (nominal 14.8 V, regulation at 2.1 V per cell = 8.4 V for 4 cells in 2-series? Wait — the battery pack voltage is 2.1 V, which is the per-cell regulation voltage. For a 4-cell series pack, the total regulation voltage is 4 × 2.1 V = 8.4 V. The IC handles 1 to 5 cells, so 4 cells is within range.

Does BQ24617RGER support USB input?

The input voltage supply maximum is 24 V, which covers standard USB PD voltages (5 V, 9 V, 15 V, 20 V). However, the IC does not include USB-specific handshaking (e.g., BC1.2 or PD negotiation); the input source must already provide the correct voltage within the 24 V max.

What battery chemistries does BQ24617RGER support?

It is designed for Lithium Ion and Lithium Polymer chemistries.

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