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MAX20303 Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX20303 Datasheet(HTML) 1 Page - Maxim Integrated Products |
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1 / 152 page  Ordering Information appears at end of data sheet. General Description The MAX20303 is a highly integrated and programmable power management solution designed for ultra-low-power wearable applications. It is optimized for size and efficiency to enhance the value of the end product by extending battery life and shrinking the overall solution size. A flexible set of power-optimized voltage regulators, including multiple bucks, boost, buck-boost, and linear regulators, provides a high level of integration and the ability to create a fully optimized power architecture. The quiescent current of each regulator is specifically suited for 1µA (typ) to extend battery life in always-on applications. The MAX20303 includes a complete battery management solution with battery seal, charger, power path, and fuel gauge. Both thermal management and input protection are built into the charger. The device also includes a factory programmable button controller with multiple inputs that are customizable to fit specific product UX requirements. Three integrated LED current sinks are included for indicator or backlighting functions, and an ERM/LRA driver with automatic resonance tracking is capable of providing sophisticated haptic feedback to the user. The device is configurable through an I2C interface that allows for programming various functions and reading device status, including the ability to read temperature and supply voltages with the integrated ADC. This device is available in a 56-bump, 0.5mm pitch 3.71mm x 4.21mm, wafer-level package (WLP) and operates over the -40°C to +85°C extended temperature range. Applications ● Wearable Devices ● IoT Benefits and Features ● Extend Battery Use Time Between Battery Charging • 2 x Micro-IQ Buck Regulators (<1µA IQ (typ) Each) • 220mA Output • Buck1: 0.8V to 2.375V in 25mV Steps • Buck2: 0.8V to 3.95V in 50mV Steps • Micro-IQ LV LDO/Load Switch (1µA IQ (typ)) • 1.16V to 2.0V Input Voltage • 50mA Output • 0.5V to 1.95V Output, 25mV Steps • Micro-IQ LDO/Load Switch (1µA IQ (typ)) • 1.71V to 5.5V Input Voltage • 100mA Output • 0.9V to 4V, 100mV Steps • Micro-IQ Buck-Boost Regulator (1.3µA IQ (typ)) • 250mW Output • 2.5V to 5V in 100mV Steps ● Easy-to-Implement Li+ Battery Charging • Wide Fast Charge Current Range: 5mA to 500mA • Smart Power Selector • 28V/-5.5V Tolerant Input • Programmable JEITA Current/Voltage Profiles ● Minimize Solution Footprint Through High Integration • Safe Output LDO • 15mA When CHGIN Present • 5V or 3.3V • Haptic Driver • ERM/LRA Driver with Quick Start And Breaking • Automatic Resonance Tracking (LRA only) ● Support Wide Variety of Display Options • Micro-IQ Boost Regulator (2.4µA IQ (typ)) • 300mW Output • 5V to 20V in 250mV Step • 3 Channel Current Sinks • 20V Tolerant • Programmable from 0.6 to 30mA ● Optimize System Control • Power-On/Reset Controller • Programmable Push-Button Controller • Programmable Supply Sequencing • Factory Shelf Mode • On-Chip Voltage Monitor Multiplexer and Analog- to-Digital Converter (ADC) 19-8738; Rev 6; 10/17 MAX20303 Wearable Power Management Solution EVALUATION KIT AVAILABLE |
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