Analog Devices Inc.

Wearable Power Management Solution for Multiple Battery Types Features: Wide input supply voltage range: 1.8 V to 5.5 V Low quiescent current: 5.1 μA standby mode, including UVLO 16-bit coulomb counter fuel gauge with integrated high-side current sensing resistor 12-bit ADC to monitor battery voltage, output voltages, and junction temperature Channels 1 and Channel 2: 150 mA low power buck-boost regulator Selective buck, boost, or buck-boost operation Selective hysteresis or pulse-width modulation (PWM) mode Selective PWM frequency: 50 kHz to 225 kHz 2× programmable GPIOs for clock synchronization or fast stop switching input Channel 3: 150 mA low power buck regulator Channel 4 Through Channel 6, and Channel 8: 50 mA low noise LDO, 1.65 V to 5.5 V input supply voltage range Channel 7: 50 mA sink current LDO Channel 9: 50 mA, low noise LDO, 1.0 V to 1.9 V input supply voltage range I2C interface with interrupt warning 2 kb OTP memory Power-good monitor and watchdog power hard reset UVLO, peak current-limit protection, and TSD protection Integrated anticounterfeit logic module 42-ball, 0.40 mm pitch, 2.880 mm × 2.980 mm WLCSP −10°C to +70°C operating junction temperature range

$9.98 - $16.66