
STPMIC1APQR
STMicroelectronicsExtended
Built-in LDO regulator、Adjustable current limiting、Light-load high efficiency mode、Power-on timing control QFN-44-EP(5x6) Power Management - Specialized ROHS
- Part id
- st/STPMIC1APQR
- Category
- Power Management, Specialized
- Package
- QFN-44-EP(5x6)
- Pins
- 44
- In stock
- 326 at JLCPCB (C2156052)
- Used on
- 3 open-source boards
Overview
The STPMIC1APQR is a power Management, Specialized made by STMicroelectronics in a QFN-44-EP(5x6) package with 45 pins. Built-in LDO regulator、Adjustable current limiting、Light-load high efficiency mode、Power-on timing control QFN-44-EP(5x6) Power Management - Specialized ROHS.
PCBKit's library has its KiCad symbol (4ms_IC:STPMIC1x, from 4ms) and its footprint (4ms_Package_QFP:WFQFN-44_EPAD_5x6_P0.4mm, from 4ms), ready for a KiCad board. 326 are in stock at JLCPCB (part C2156052). 3 open-source boards in 2 repositories on GitHub use it.
Symbol
Footprint
From the datasheet
71- Supply, least
- 2.8 V · VIN, recommended operating, min · p. 9
- Supply, most
- 5.5 V · VIN, recommended operating, max · p. 9
- Supply, least
- 1.7 V · VIO, recommended operating, min · p. 20
- Supply, most
- 3.6 V · VIO, recommended operating, max · p. 20
- Supply, absolute maximum
- 6.5 V · VIN, BUCKxIN, SWIN, LDO3IN, LDOxxIN, absolute maximum · p. 7
- Supply, absolute maximum
- 4.2 V · VIO, absolute maximum · p. 7
- Supply, least
- 2.8 V · VLDOIN, LDO1/LDO2/LDO5 recommended operating, min · p. 10
- Supply, most
- 5.5 V · VLDOIN, LDO1/LDO2/LDO5 recommended operating, max · p. 10
- Supply, least
- 2.8 V · VLDO3IN, normal mode recommended operating, min · p. 11
- Supply, most
- 5.5 V · VLDO3IN, normal mode recommended operating, max · p. 11
- Supply, least
- 1.1 V · VLDO3IN, sink-source mode recommended operating, min · p. 11
- Supply, most
- 1.6 V · VLDO3IN, sink-source mode recommended operating, max · p. 11
- Supply, least
- 1.7 V · VLDO3IN, bypass mode recommended operating, min · p. 12
- Supply, most
- 2 V · VLDO3IN, bypass mode recommended operating, max · p. 12
- Supply, least
- 2.8 V · VLDO4IN, recommended operating, min; VIN higher than VOUT · p. 12
- Supply, most
- 5.5 V · VLDO4IN, recommended operating, max · p. 12
- Supply, least
- 2.8 V · VLDO6IN, recommended operating, min · p. 12
- Supply, most
- 5.5 V · VLDO6IN, recommended operating, max · p. 12
- Supply, least
- 2.8 V · VBUCK1IN, recommended operating, min · p. 13
- Supply, most
- 5.5 V · VBUCK1IN, recommended operating, max · p. 13
- Supply, least
- 2.8 V · VBUCK2IN, recommended operating, min · p. 14
- Supply, most
- 5.5 V · VBUCK2IN, recommended operating, max · p. 14
- Supply, least
- 2.8 V · VBUCK3IN, recommended operating, min; VIN higher than VOUT · p. 15
- Supply, most
- 5.5 V · VBUCK3IN, recommended operating, max · p. 15
- Supply, least
- 2.8 V · VBUCK4IN, recommended operating, min; VIN higher than VOUT · p. 17
- Supply, most
- 5.5 V · VBUCK4IN, recommended operating, max · p. 17
- Works from
- -40 °C · operating ambient temperature, min · p. 7
- Works up to
- 105 °C · operating ambient temperature, max · p. 7
- Junction, hottest
- 125 °C · operating junction temperature, max · p. 7
- Junction, hottest
- 160 °C · junction temperature, absolute max · p. 7
- Takes working
- 1.2 mA · VIN, RUN scenario, BUCK1/2/3 HP, REFDDR and LDO3 on, unloaded, typical · p. 8
- Takes asleep
- 50 µA · VIN, OFF state, VIN = 3.6 V, 25 °C, typical · p. 8
- Takes asleep
- 110 µA · VIN, STANDBY, BUCK3 LP active, unloaded, 25 °C, typical · p. 8
- Takes asleep
- 370 µA · VIN, STOP scenario, BUCK1/2/3 LP, REFDDR and LDO3 on, unloaded, typical · p. 8
- Gives
- 350 mA · LDO1/LDO2/LDO5, per channel continuous capability, min · p. 10
- Gives
- 100 mA · LDO3 normal mode, continuous capability, min · p. 11
- Gives
- 120 mA · LDO3 sink-source mode, continuous RMS current, max · p. 11
- Gives
- 50 mA · LDO3 bypass mode, continuous capability, min · p. 12
- Gives
- 50 mA · LDO4, input 3.6–5.5 V, continuous capability, min · p. 12
- Gives
- 150 mA · LDO6, continuous capability, min · p. 12
- Gives
- 5 mA · REFDDR, RMS output capability, min · p. 13
- Gives
- 1.5 A · BUCK1, HP mode continuous capability, min · p. 13
- Gives
- 1 A · BUCK2, HP mode continuous capability, min · p. 15
- Gives
- 500 mA · BUCK3, HP mode continuous capability, min · p. 16
- Gives
- 2 A · BUCK4, HP mode continuous capability, min · p. 17
- Gives
- 1.1 A · BOOST, input 3.3–5.5 V, continuous capability, min · p. 18
- Gives
- 500 mA · BOOST, input 2.8–3.3 V, continuous capability, min · p. 18
- Gives
- 500 mA · PWR_USB_SW, rated output, max · p. 28
- Gives
- 1 A · PWR_SW, continuous capability, min · p. 19
- Current limit
- 450 mA · LDO1/LDO2/LDO5, per channel, typical · p. 10
- Current limit
- 120 mA · LDO3 normal mode, min · p. 11
- Current limit
- 75 mA · LDO4, input 3.6–5.5 V, typical · p. 12
- Current limit
- 200 mA · LDO6, typical · p. 12
- Current limit
- 25 mA · REFDDR, sink/source magnitude, typical · p. 13
- Current limit
- 2 A · BUCK1, inductor peak current limit, typical · p. 13
- Current limit
- 1.6 A · BUCK2, inductor peak current limit, typical · p. 15
- Current limit
- 1 A · BUCK3, inductor peak current limit, typical · p. 16
- Current limit
- 3 A · BUCK4, inductor peak current limit, typical · p. 17
- Current limit
- 3.3 A · BOOST, low-side inductor peak current limit, typical · p. 18
- Current limit
- 550 mA · PWR_USB_SW, overcurrent limit, min · p. 19
- Current limit
- 600 mA · PWR_SW, OCP_SWOUT_LIM = 0, min · p. 19
- Current limit
- 1.1 A · PWR_SW, OCP_SWOUT_LIM = 1, min · p. 19
- Output
- 3.3 V · LDO4, fixed output, typical · p. 12
- Output
- 5.2 V · BOOST, boost mode fixed output, typical · p. 18
- Dropout
- 180 mV · LDO1/LDO2/LDO5, output 2.8 V, 350 mA per channel, typical · p. 10
- Dropout
- 120 mV · LDO3, output 2.8 V, 100 mA, typical · p. 11
- Dropout
- 45 mV · LDO4, from VIN at 30 mA, typical · p. 12
- Dropout
- 160 mV · LDO6, output 2.9 V, 150 mA, typical · p. 13
- Switches at
- 2 MHz · BUCK1–BUCK4, nominal switching frequency, typical · p. 28
- Junction to case (WFQFN 44L (5x6x0.8))
- 7 K/W · junction to case, JEDEC JESD51-12.01, max · p. 7
- Junction to air (WFQFN 44L (5x6x0.8))
- 29 K/W · junction to ambient, 2s2p JEDEC board, max · p. 7
Open-source boards using it
3Parts like it
8MCP1726-3302E/MF
WDFN-8-EP(3x3)-40℃~+125℃ 1A 2.3V~6V 3.3V Built-in LDO regulator、Overcurrent Protection、Operating status indication WDFN-8-EP(3x3) Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSMicrochip TechnologyPower Management - SpecializedMCP1827T-3302E/ET
TO-252-5-40℃~+125℃ 1.5A 2.3V~6V 3.3V Built-in LDO regulator、Overcurrent Protection、Operating status indication TO-252-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSMicrochip TechnologyPower Management - SpecializedMCP1727T-3302E/MF
DFN-8(3x3)-40℃~+125℃ 1.5A 2.3V~6V 3.3V Built-in LDO regulator、Overcurrent Protection、Operating status indication DFN-8(3x3) Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSMicrochip TechnologyPower Management - SpecializedMCP1826S-3302E/EB
TO-252-3-40℃~+125℃ 1A 2.3V~6V 3.3V Built-in LDO regulator、Overcurrent Protection、Operating status indication TO-252-3 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSMicrochip TechnologyPower Management - SpecializedMCP1827-3302E/AT
TO-220-5-40℃~+125℃ 1.5A 2.3V~6V 3.3V Built-in LDO regulator、Overcurrent Protection、Operating status indication TO-220-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSMicrochip TechnologyPower Management - SpecializedMP28160GC-Z
CSP-12(1.4x1.8)-40℃~+125℃ 2.5V~5.5V 3.3V 500mA Built-in LDO regulator、Overcurrent Protection、Light load efficient mode、Output discharge、Hiccup current limiting CSP-12(1.4x1.8) DC-DC Converters ROHSMonolithic Power SystemsPower Management - SpecializedMCP1826-3302E/AT
TO-220-5-40℃~+125℃ 1A 2.3V~6V 3.3V Built-in LDO regulator、Overcurrent Protection、Operating status indication TO-220-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSMicrochip TechnologyPower Management - SpecializedMIC94345-SYMT-T5
TDFN-6(1.6x1.6)-40℃~+125℃@(Tj) 1 3.3V 3.6V 500mA 83uVrms 85dB@(1kHz) Fixed Over Current Protection、Over Temperature Protection、Enable Positive TDFN-6(1.6x1.6) Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSMicrochip TechnologyPower Management - Specialized
Questions
Is there a KiCad symbol and footprint for the STPMIC1APQR?
Yes. The symbol is 4ms_IC:STPMIC1x and the footprint 4ms_Package_QFP:WFQFN-44_EPAD_5x6_P0.4mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the STPMIC1APQR?
QFN-44-EP(5x6), with 45 pins. Its footprint is drawn on this page.
Where is the STPMIC1APQR datasheet?
STMicroelectronics publishes it: the Datasheet link on this page opens it.
Where can I order the STPMIC1APQR?
JLCPCB lists it as part C2156052, with 326 in stock; the sellers' links on this page open their listings.
What can replace the STPMIC1APQR?
Parts like it in the library: the MCP1726-3302E/MF by Microchip Technology, the MCP1827T-3302E/ET by Microchip Technology, the MCP1727T-3302E/MF by Microchip Technology and the MCP1826S-3302E/EB by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the STPMIC1APQR?
3 boards in 2 repositories on GitHub; the most starred are listed on this page, with their KiCad files.

