ADP5320BCBZ-1-R7

ADP5320 is a highly integrated power management unit (PMU) combines nine digitally adjustable regulators, a fuel gauge, a 12bit analogue-to-digital converter (ADC), 2Kb of one time programmable (OTP) memory, anti counter feit logic. The regulators include: 2× buck-boost, 1× buck regulator, 5× low dropout (LDO) regulators, and one low input LDO. This device meets demanding performance and board space requirements for wearable applications. It operates from a 1.8V to 5.5V input supply voltage range, enabling the device for use with multiple types of battery inputs including: 2S/3S Zinc-air coin-cells or Li-poly/Li-ion batteries, as well as other types of dc power sources. PMU fuel gauge includes a precision 16-bit coulomb counter that integrates battery current flowing through the device. It is used in application such as wearable medical applications, internet of things (IoT) applications, disposable sensor devices, battery-powered devices etc.

• Low quiescent current is 5.1µA standby mode, including UVLO
• 16bit coulomb counter fuel gauge with integrated high-side current sensing resistor
• Channels 1 and channel 2: 150mA low power buck-boost regulator
• Selective buck, boost, or buck-boost operation, selective hysteresis or pulse-width modulation mode
• Power-good monitor and watchdog power hard reset, UVLO, peak current-limit protection
• Integrated anticounterfeit logic module
• I²C interface with interrupt warning, 2Kb OTP memory
• Selective PWM frequency is 50KHz to 225KHz
• Operating junction temperature is -10°C to +70°C
• Package style is 42-ball WLCSP

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