| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
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Analog Devices, Inc. |
IC BATT MFUNC LI-ION 1CL 20UTQFN |
0 |
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Analog Devices, Inc. |
IC BATT MON MULTI 1-15C 64LQFP |
0 |
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Analog Devices, Inc. |
IC BATT MON MULTI 1-18C 64LQFP |
0 |
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Analog Devices, Inc. |
IC BATT MFUNC LI-ION 20UTQFN |
0 |
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Analog Devices, Inc. |
IC BATT MFUNC LI-ION 20UTQFN |
0 |
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Analog Devices, Inc. |
IC BATT MFUNC LI-ION 1CELL 24QFN |
0 |
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Analog Devices, Inc. |
IC BATT MFUNC LI-ION 1CELL 20QFN |
0 |
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Analog Devices, Inc. |
IC BATT MFUNC LI-ION 1CL 20UTQFN |
0 |
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Analog Devices, Inc. |
IC BATT MONITOR MULTI-CHEM 8DFN |
0 |
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Analog Devices, Inc. |
IC BATT MFUNC LI-ION 20UTQFN |
0 |
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Analog Devices, Inc. |
IC BATT MFUNC LI-ION 1CL 20UTQFN |
0 |
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Analog Devices, Inc. |
IC BATT LEAD ACID 1-4C 38TSSOP |
0 |
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Analog Devices, Inc. |
IC BATT BAL MULTI 1-12C 48ELQFP |
0 |
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Analog Devices, Inc. |
IC BATT MFUNC LI-ION 1CL 20UTQFN |
0 |
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Analog Devices, Inc. |
IC BATT MFUNC LI-ION 1CELL 24QFN |
0 |
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Analog Devices, Inc. |
IC BATT MONITOR MULTI-CHEM 8DFN |
0 |
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Analog Devices, Inc. |
IC BATT MFUNC LI-ION 1CL 20UTQFN |
0 |
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Analog Devices, Inc. |
IC BAT PWR MGMT NIC CAD 1C 8SOIC |
0 |
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Analog Devices, Inc. |
IC BATT MFUNC LI-ION 1CELL 20QFN |
0 |
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Analog Devices, Inc. |
IC BATT MFUNC LI-ION 20UTQFN |
0 |
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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.