EFP0111GM20-DR Silicon Labs

EFP01 Energy Friendly PMIC Family Data Sheet The EFP01 Energy Friendly Power Management IC (PMIC) is an ENERGY FRIENDLY FEATURES extremely flexible, highly efficient, multi-output power management IC, providing complete system power and primary cell battery Cou- Provides 4 supply outputs: One Buck/Boost DC-DC Converter lomb counting for EFM32 and EFR32 devices. The EFP01 can op- One Buck-only DC-DC Converter + erate over a wide input voltage range (0.8 to 5.5 V) with quiescent LDO current as low as 300 nA (EM2 mode, single output enabled). One LDO One Switched Output EFP01 can be configured to support the following battery types: Up to 94% efficiency Single alkaline (Zn/MnO ), zinc-carbon or lithium iron-disulfide (Li/FeS ) primary cells, 2 2 or NiMH/NiCd rechargeable cells (0.8 to 1.8 V) Dual alkaline, zinc-carbon or lithium iron-disulfide (Li/FeS ) primary cells, or NiMH/ 2 NiCd rechargeable cells (1.6 to 3.6 V) Single lithium (Li/MnO ) primary cells (1.8 to 3.2 V) 2 Single lithium thionyl chloride (Li/SOCl ) primary cell (3.0 to 3.65 V) 2 Single lithium ion/lithium polymer (typically LiCoO ) rechargeable batteries (2.7 to 2 4.35 V) Single lithium iron phosphate (LiFePO ) rechargeable battery (2.5 to 3.65 V) 4 USB (< 5.5 V) EFP01 applications include the following: IoT Sensors and End Devices Metering Home and Building Automation and Security Health and Wellness Wearables Smart Accessories Human Interface Devices silabs.com Building a more connected world. Rev. 1.3 EFP01 Energy Friendly PMIC Family Data Sheet Feature List 1. Feature List The EFP01 highlighted features are listed below. VOA Communication & Control Output Voltage: 1.7 V to 5.2 V Fully configurable I C 2 DCDC A can be configured in Buck/Boost, Buck-only, or Direct Mode supports fast transitions between energy Boost-only modes DCDC A output be combined with the VOC linear regulator IRQ pin to notify host processor for more efficient regulation as the input voltage approaches Ultra-low EM2 Quiescent Current the output voltage 150 nA with no outputs enabled Firmware-programmable switched output (VOA SW) allows 300 nA with a single output enabled complete powerdown of high leakage external circuitry in +125 nA for each additional output enabled low power modes Safety VOB Programmable inrush current Output Voltage: Short-circuit tolerant outputs 0.8 V to 3.3 V (EFP0101/03/06/09/11) Under-voltage lock-out (UVLO) circuitry holds device in low- 0.8 V to 1.26 V (EFP0102/04/07/08/10) est power reset state when VDDB is below 1.2 V DCDC B can be used only in Buck configuration Over-temperature monitoring and IRQ assertion Dedicated internal linear regulator in parallel provides more Wide Operating Range efficient regulation as the input voltage approaches the out- put voltage 0.8 V to 5.5 V input power supply VOC -40 to 100 C junction temperature Output Voltage: 1.7 V to 3.3 V QFN20 3x3 mm Package Linear regulator only Can be used either to create an independent third output supply or in conjunction with DCDC A Coulomb Counter Lossless (i.e. no sense resistor) measurement of charge in- to the load silabs.com Building a more connected world. Rev. 1.3 2