| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
Zetex Semiconductors (Diodes Inc.) |
IC BATT PROT LI-ION 1CELL SOT26 |
0 |
|
 |
Texas Instruments |
IC BATT FUEL GAUGE LI-ION 12SON |
468 |
|
 |
ABLIC U.S.A. Inc. |
IC BATT MONITOR LI-ION SOT23-6 |
0 |
|
 |
Mitsumi Electric Company |
IC, ONE CELL, BATTERY PROTECTION |
0 |
|
 |
ABLIC U.S.A. Inc. |
IC BATT PROT LI-ION 2-3CL SNT-6A |
0 |
|
 |
ABLIC U.S.A. Inc. |
IC BATT PROT LI-ION 1CELL SNT-6A |
0 |
|
 |
ABLIC U.S.A. Inc. |
IC BATT PROT LI-ION 1CEL SOT23-5 |
0 |
|
 |
Analog Devices, Inc. |
IC BAT MON MULT-CHEM 2C SOT143-4 |
2500 |
|
 |
Analog Devices, Inc. |
IC BAT PWR MGMT NIC CAD 1C 8SOIC |
92 |
|
 |
Mitsumi Electric Company |
IC, ONE CELL, BATTERY PROTECTION |
0 |
|
 |
Texas Instruments |
IC BATT PROTECTION LI-ION 8WSON |
500 |
|
 |
Texas Instruments |
IC BATT PROT LI-ION 1CELL 6WSON |
0 |
|
 |
Texas Instruments |
IC BATT |
3000 |
|
 |
ABLIC U.S.A. Inc. |
IC BATT PROT LI-ION 1CEL SOT23-5 |
0 |
|
 |
Zetex Semiconductors (Diodes Inc.) |
IC BATT PROT LI-ION 1CELL 6UDFN |
0 |
|
 |
Analog Devices, Inc. |
IC BATT CONTRLR NIMH 2-3C 16QSOP |
953 |
|
 |
ABLIC U.S.A. Inc. |
IC BATT PROT LI-ION 1CEL SOT23-5 |
0 |
|
 |
Analog Devices, Inc. |
POWER SUPPLY SUPPORT CIRCUIT |
53 |
|
 |
ABLIC U.S.A. Inc. |
IC BATT PROT LI-ION 2CELL 8TSSOP |
0 |
|
 |
IC BATT PROT LI-ION 2CELL 8MSOP |
20000 |
|
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.