company blog about Supply Silicon Labs Power Management IC:EFP01 Energy Friendly Power Management IC Series Products

Supply Silicon Labs Power Management IC:EFP01 Energy Friendly Power Management IC Series Products

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EFP01 Energy Friendly PMIC
The EFP01 Energy Friendly Power Management IC (PMIC) is an extremely flexible, highly-efficient, multi-output power management IC, providing complete system power and primary cell battery Coulomb counting for EFM32 and EFR32 devices. These devices operate over a wide input voltage range (0.8 to 5.5 V) with quiescent current as low as 150 nA. EFP01 provides three voltage output rails and four supply outputs – 1x buck/boost converter, 1x buck-only DC-DC converter + LDO, 1x LDO and 1x switched – delivering up to 94% efficiency.

FP01 Energy Friendly PMIC Series Products:
EFP0101GM20
EFP0102GM20
EFP0103GM20
EFP0104GM20
EFP0106GM20
EFP0107GM20
EFP0108GM20
EFP0109GM20
EFP0110GM20
EFPO111GM20

EFP01 PMIC Common Specs
 

Voltage Output A (VOA)
Output Voltage: 1.7 V to 5.2 V
DC-DC A can be configured in Buck/Boost, Buck-only, or Boost-only
DC-DC A output be combined with the VOC linear regulator for more efficient regulation as the input voltage approaches the output voltage
Firmware-programmable switched output (VOA_SW) allows complete powerdown of high leakage external circuitry in low power modes

Voltage Output B (VOB)
Output Voltage:
0.8 V to 3.3 V (EFP0109/EFP0111)
0.8 V to 1.255 V (EFP0104/EFP0108)
DC-DC B can be used only in Buck configuration
Dedicated internal linear regulator in parallel provides more efficient regulation as the input voltage approaches the output voltage

Voltage Output C (VOC)
Output Voltage: 1.7 V to 3.3 V

Linear regulator only
Can be used either to create an independent third output-supply or in conjunction with DC-DC A

Coulomb Counter
Lossless (i.e. no sense resistor) measurement of charge into the load
 

Communication & Control

Fully configurable I2C
Direct Mode supports fast transitions between energymodes
IRQ pin to notify host processor

Ultra-low Quiescent Current
150 nA with no outputs enabled
300 nA with a single output enabled
+125 nA for each additional output enabled

Safety
Programmable inrush current
Short-circuit tolerant outputs
Under-voltage lock-out (UVLO) circuitry holds device in lowest power reset state when VDDB is below 1.2 V
Over-temperature monitoring and IRQ assertion

Wide Operating Range
0.8 V to 5.5 V input power supply
-40 to 100 °C junction temperature