EVALUATION KIT AVAILABLE Click here for production status of specific part numbers. MAX20310 Ultra-Low Quiescent Current PMIC with SIMO Buck-Boost for Wearable Applications General Description Benefits and Features The MAX20310 is a compact power management Extend System Battery Use Time integrated circuit (PMIC) for space-constrained, battery- Single Inductor, Multiple Output (SIMO) Ultra-Low powered applications where size and efficiency are critical. I Buck-Boost Regulator Q The device combines two single inductor, multiple output Battery Input Voltage from 0.7V to 2.0V (SIMO) buck-boosted outputs with two LDOs and other sys- Output Voltage Programmable From 0.9V tem power management features like a push-button monitor to 4.05V and sequencing controller. 250mW Maximum Total Input Power Incremental CAP Quiescent Current 1A per The device includes a SIMO buck-boost switching regula- channel tor that provides two programmable voltage rails using 84% Efficiency for 1.8V, 10mA Output a single inductor, minimizing solution footprint. The Input Current Limited MAX20310 operates with battery voltages down to 0.7V Dual Ultra-Low I 50mA LDO Q for use with Zinc Air, Silver Oxide, or Alkaline batteries. Inputs Supplied by Dual Buck-Boost Outputs The architecture allows for output voltages above or Output Programmable from 0.5V to 3.65V below the battery voltage. Quiescent Current 1.1A per LDO / 600nA per Additionally, the MAX20310 has two programmable low- Load Switch dropout (LDO) linear regulators. The linear regulators can Configurable as Load Switch also operate as power switches that can disconnect the Extend Product Shelf-Life quiescent load of system peripherals. Battery Seal Mode The MAX20310 includes a programmable power 10nA Battery Current (typ) controller that allows the device to be configured for Minimize Board Area use in applications that require a true off state or for 1.63mm x 1.63mm WLP always-on applications. This controller provides a delayed Easy-to-Implement System Control reset signal, voltage sequencing, and customized button timing for on/off control and recovery hard reset. Voltage Monitor Multiplexer 1% Accurate Battery Inverter (10mV at 1.0V) The device also features a multiplexer for monitoring the Power Button Monitor power inputs and outputs of each function. The MAX20310 Buffered Output is available in a 16-bump 0.4mm pitch 1.63mm x 1.63mm Power Sequencing wafer-level package (WLP) and operates over the -40C Reset Output to +85C extended temperature range. 2 I C Control Interface Typical Operating Circuit Applications Wearable Medical Devices +1.8V +1.5V +1.2V +1.2V Wearable Fitness Devices MAX20310 VIO VAN VDD VSW CAP BB1OUT Portable Medical Devices LX L1OUT LDO SIMO GND BB2OUT BUCK- BOOST L2OUT LDO BATN Ordering Information appears at end of data sheet. KIN KOUT MPC MPO CONTROL SCL MON SDA RST 19-8611 Rev 2 3/18MAX20310 Ultra-Low Quiescent Current PMIC with SIMO Buck-Boost for Wearable Applications Absolute Maximum Ratings (Voltages reference to GND unless otherwise noted) Continuous Current into any other terminal ...................100mA CAP, BB1OUT, BB2OUT, L1OUT, L2OUT Continuous Power Dissipation (T = +70C): A MPC, SDA, SCL, RST, KOUT to GND, BATN ....-0.3V to +6V 16-bump WLP 1.65mm x 1.65mm 0.4mm Pitch KIN............................................ (BATN 0.3V) to (GND + 0.3V) (derate 17.4mW/C above +70C) ..............................957mW LX to BATN ..............................................................-0.3V to +6V Operating Temperature Range ........................... -40C to +85C MPO, MON to BATIN ..............................................-0.3V to +6V Junction Temperature ......................................................+150C GND to BATN .......................................................-0.3V to +2.2V Storage Temperature Range ............................ -65C to +150C Continuous Current into LX, BATN ....................................+0.5A Soldering Temperature (reflow) .......................................+260C Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Package Information PACKAGE TYPE: 16 WLP Package Code W161F1+1 Outline Number 21-0491 Land Pattern Number Refer to Application Note 1891 THERMAL RESISTANCE, FOUR-LAYER BOARD Junction to Ambient ( ) 58C/W JA For the latest package outline information and land patterns (footprints), go to www.maximintegrated.com/packages. Note that a +, , or - in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing pertains to the package regardless of RoHS status. Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer board. For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial. Maxim Integrated 2 www.maximintegrated.com