Power Management IC (PMIC) for Advanced Application Processors
Data sheet
This product continues to be available for existing customers. New designs should consider an alternate product.
LP3972
- Compatible With Advanced Applications Processors Requiring Dynamic Voltage Management (DVM)
- Backup Battery Charger With Automatic Switch for Lithium-Manganese Coin-Cell Batteries and Super Capacitors
- I2C-Compatible High-Speed Serial Interface
- Software Control of Regulator Functions and Settings
- Thermal and Current Overload Protections
- Three Buck Regulators for Powering High-Current Processor Functions or I/Os
- Programmable VOUT from 0.725 V to 3.3 V
- Up to 95% Efficiency and 1.6-A Output Current
- ±3% Output Voltage Accuracy
- Six LDOs for Powering RTC, Peripherals, and I/Os
- Programmable VOUT of 1 V to 3.3 V
- ±3% Output Voltage Accuracy
- LDO_RTC 30 mA
- LDO1 300 mA
- LDO2 150 mA
- LDO3 150 mA
- LDO4 150 mA
- LDO5 400 mA
The LP3972 is a multi-function programmable power management unit (PMU) designed especially for advanced application processors. The LP3972 is optimized for low-power handheld applications and provides six low-dropout low-noise linear regulators, three DC-DC magnetic buck regulators, a backup battery charger, and two GPIOs. A high-speed serial interface is included to program individual regulator output voltages as well as on and off control.
For all available packages, see the orderable addendum at the end of the data sheet.Technical documentation
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View all 1 Type | Title | Date | ||
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* | Data sheet | LP3972 Power Management Unit for Advanced Application Processors datasheet (Rev. L) | PDF | HTML | 30 Nov 2015 |
Ordering & quality
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