| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
Analog Devices, Inc. |
IC BAT LIFEPO4/LI-ION 1-9C 28QFN |
0 |
|
 |
Analog Devices, Inc. |
IC BATT MON MULT-CHEM 2C SOT23-8 |
619 |
|
 |
ABLIC U.S.A. Inc. |
IC BATT PROT LI-ION 3-4C 16TSSOP |
0 |
|
 |
ABLIC U.S.A. Inc. |
IC BATT PROT LI-ION 3-4C 16TSSOP |
0 |
|
 |
ABLIC U.S.A. Inc. |
IC BATT PROT LI-ION 1CEL SOT23-5 |
0 |
|
 |
Power Integrations |
IC BATT USB 2.0 QUICK CHARGE 8SO |
0 |
|
 |
Texas Instruments |
IC BATT MFUNC 1CELL 12DSBGA |
74970 |
|
 |
Texas Instruments |
IC BATT PROT LI-ION 2-4CEL 8WSON |
986 |
|
 |
Texas Instruments |
IC BATT PROT LI-ION 2-3CEL 6WSON |
543019 |
|
 |
ABLIC U.S.A. Inc. |
IC BATT PROT LI-ION 1-4CEL 8MSOP |
0 |
|
 |
Analog Devices, Inc. |
IC BAT LIFEPO4/LI-ION 1-9C 28QFN |
0 |
|
 |
IC BATT MON LI-ION 1CELL 12VSON |
55 |
|
|
 |
ABLIC U.S.A. Inc. |
IC BATT PROT LI-ION 1CELL SNT-6A |
0 |
|
 |
ABLIC U.S.A. Inc. |
IC BATT PROT LI-ION 3-4C 16TSSOP |
0 |
|
 |
Texas Instruments |
IC BATT MON LI-ION 3-8CEL 48VQFN |
1431 |
|
 |
Analog Devices, Inc. |
IC BATT MON MULT-CHEM 36C 64LQFP |
0 |
|
 |
Texas Instruments |
IC BATT PROT LI-ION 2-4CEL 8WSON |
250 |
|
 |
IC BATT PROTECTION LIION SOT23-6 |
25750 |
|
|
 |
Analog Devices, Inc. |
IC BAT LIFEPO4/LI-ION 1-9C 28QFN |
56 |
|
 |
Mitsumi Electric Company |
IC, TWO CELL, BATTERY PROTECTION |
0 |
|
Power Management Integrated Circuits (PMICs) with Battery Management functionality are specialized semiconductor devices designed to monitor, control, and optimize battery operations in electronic systems. These ICs handle critical tasks including charging control, discharge regulation, capacity monitoring, and safety protection. Their importance has grown exponentially with the proliferation of portable electronics, electric vehicles, and energy-harvesting systems, where battery efficiency and safety are paramount.
| Type | Functional Features | Application Examples |
|---|---|---|
| Battery Charge Management ICs | Support Li-ion/Polymer, NiMH, and lead-acid chemistries; implement CC/CV charging, thermal regulation | Smartphones, power banks |
| Fuel Gauge ICs | Impedance tracking, voltage-based SOC estimation, data logging | Laptops, medical devices |
| Battery Protection ICs | Overvoltage, overcurrent, short-circuit, and temperature protection | E-bikes, battery packs |
| Power Path Management ICs | Dynamic power distribution between charger and system load | Tablets, drones |
A typical PMIC Battery Management IC integrates:
Advanced packages (QFN, BGA) enable high integration while maintaining thermal performance.
| Parameter | Typical Range | Importance |
|---|---|---|
| Charging Current Range | 100mA - 5A | Determines charge speed and battery size compatibility |
| SOC Estimation Accuracy | 1-5% | Impacts runtime prediction reliability |
| Quiescent Current | 1-20 A | Crucial for standby power efficiency |
| Communication Speed | 400kHz - 3.4MHz (I2C) | Affects system responsiveness |
| Operating Temperature | -40 C to +125 C | Determines environmental robustness |
| Manufacturer | Representative Product | Key Features |
|---|---|---|
| Texas Instruments | BQ25790 | Single-chip solution with USB PD 3.0, 3.5A charging |
| Analog Devices | MAX17055 | ModelGauge m3 algorithm, 60s runtime prediction |
| STMicroelectronics | STM32F051x | Cortex-M0 core with integrated Li-ion charger |
| NXP Semiconductors | PF1550 | PMIC for i.MX8 processors with dynamic voltage scaling |
Key considerations:
Example: For a 2-cell Li-ion notebook battery, select a multi-cell fuel gauge (e.g., BQ30z55) with SHA-256 authentication and PC companion software support.