Datasheet Dialog Semiconductor DA9131-A

DA9131-A
High-Performance, Dual-Channel DC-DC Converter General Description
DA9131-A is a power management unit (PMU) suitable for supplying CPUs, GPUs, DDR memory
rails in single in-line pin package (SIPP) modules, vehicle infotainment systems, ADAS, automotive
navigation, centre console and telematics.
DA9131-A integrates two single-phase buck converters, each phase requiring a small external
0.10 µH inductor. Each buck is capable of delivering up to 5 A output current at a 0.3 V to 1.9 V
output voltage range. The 2.5 V to 5.5 V input voltage range is suitable for a wide variety of lowvoltage systems.
With remote sensing, the DA9131-A guarantees the highest accuracy and supports multiple PCB
routing scenarios without loss of performance.
The pass devices are fully integrated, so no external FETs or Schottky diodes are needed.
A programmable soft start-up can be enabled, which limits the inrush current from the input node and
secures a slope-controlled rail activation.
The dynamic voltage control (DVC) supports adaptive adjustment of the supply voltage dependent on
the processor load, via either a direct register write using the communication interface (I 2Ccompatible) or with a programmable input pin.
A configurable GPI allows multiple I2C address selection for multiple instances of DA9131-A in the
same application.
DA9131-A has integrated over-temperature and over-current protection for increased system
reliability, without the need for external sensing components. Key Features
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