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STMPS2151S on a board, in 3D

STMPS2151S

STMicroelectronics

-40℃~+125℃ 1 2.7V~5.5V 500mA 90mΩ Active High High Side Switch Short-Circuit Protection(SCP)、Undervoltage Protection(UVP)、Over Temperature Protection SOT-23-5 Power Distribution Switches ROHS

Extended
DatasheetJLCPCBLCSCst/STMPS2151S
Category
Power Distribution Switches
Package
SOT-23-5
Pins
5

Overview

The STMPS2151S is a power Distribution Switche made by STMicroelectronics in a SOT-23-5 package with 5 pins. -40℃~+125℃ 1 2.7V~5.5V 500mA 90mΩ Active High High Side Switch Short-Circuit Protection(SCP)、Undervoltage Protection(UVP)、Over Temperature Protection SOT-23-5 Power Distribution Switches ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:STMPS2151STR, from EasyEDA) and its footprint (Package_TO_SOT_SMD:SOT-23-5, from KiCad's library), ready for a KiCad board. 21,296 are in stock at JLCPCB (part C135998). 2 open-source boards in 2 repositories on GitHub use it.

Symbol

VOUT1GND2FAULT3EN4VIN5
EasyEDA_Cloud:STMPS2151STRFrom EasyEDA

Footprint

12345
Package_TO_SOT_SMD:SOT-23-5From KiCad's library

From the datasheet

11
Supply, least
2.7 V · IN, recommended operating min · p. 12
Supply, most
5.5 V · IN, recommended operating max · p. 12
Supply, absolute maximum
6 V · IN, absolute max · p. 12
Works from
-40 °C · Ambient operating min · p. 1
Works up to
85 °C · Ambient operating max · p. 1
Junction, hottest
125 °C · Junction operating max · p. 12
Takes working
40 µA · Switch turned on, no load, VIN = 5.5 V, TJ = 25 °C, typical · p. 14
Takes asleep
6 µA · Switch turned off, no load, VIN = 5.5 V, TJ = 25 °C, typical · p. 14
Gives
500 mA · Rated continuous output current, max · p. 12
Current limit
800 mA · Overcurrent limiting threshold, VIN = 5.5 V, VOUT = 5.0 V, typical · p. 14
Junction to air (SOT23-5L)
191 K/W · Junction to ambient thermal resistance · p. 12

What it is and has

9
High-side MOSFET switch
90 mΩ · p. 1
Continuous output current
500 mA · p. 1
Enable
Active high · p. 1
Enable input compatibility
CMOS and TTL · p. 1
Protection
Thermal and short-circuit protection · p. 1
Undervoltage lockout
UVLO · p. 1
ESD protection
8 kV · p. 1
Reverse current protection
Included · p. 1
Fault blanking
Included · p. 1

Specifications

43
ParameterConditionsAs printedPage
Max. currentSTMPS2151, SOT23-5Lmax 0.5 A11
Max. RON at 5 V RONSTMPS2151, SOT23-5Lmax 135 mΩ11
Power dissipationSTMPS2151, SOT23-5L, maximum current 0.50 A, maximum RON 135 mΩ at 5 Vmax 33.8 mW11
Temperature difference (junction - ambient)STMPS2151, SOT23-5L, maximum current 0.50 A, maximum RON 135 mΩ at 5 Vmax 6.511
Maximum ambient temperatureSTMPS2151, SOT23-5L, at junction temperature 125 °C, maximum current 0.50 Amax 118.511
Input voltage range VINmin -0.3 · max 6 V12
Output voltage range VOUTMaximum: VIN + 0.3 Vmin -0.3 V12
EN Input voltage range VIENXmin -0.3 · max 6 V12
ESD protection level ESDmax 8 kV12
Junction operating temperature TJmin -40 · max 125 °C12
Storage temperature TSTGmin -55 · max 150 °C12
Thermal resistance (SOT23-5L) TRSOT23-5Lmax 191 °C/W12
Input voltage VINmin 2.7 · typ 5 · max 5.5 V12
Output voltage VOUTmin 0 · typ 5 · max 5.5 V12
Continuous output current IOUTSTMPS2151min 0 · max 500 mA12
Static drain source ON state resistance RONSTMPS2151, SOT23-5L package, load = 500 mA, VIN = 2.7 V; TJ = 25 °Ctyp 120 · max 160 mΩ13
Static drain source ON state resistance RONSTMPS2151, SOT23-5L package, load = 500 mA, VIN = 5.0 V; TJ = 25 °Ctyp 90 · max 110 mΩ13
Static drain source ON state resistance RONSTMPS2151, SOT23-5L package, VIN = 2.7 V; -40 < TJ < 125 °Cmax 200 mΩ13
Static drain source ON state resistance RONSTMPS2151, SOT23-5L package, VIN = 5.0 V; -40 < TJ < 125 °Cmax 135 mΩ13
Output rise time trVIN = 5.0 V RL = 10 Ω, CL = 1 uFmin 0.05 · max 2 ms13
Overcurrent limiting threshold IOSSTMPS2151, VIN = 5.5 V, VOUT = 5.0 V, TJ = 25 °Cmin 0.6 · typ 0.8 · max 1 A14
Switch turned off IOFFVIN = 5.5 V, TJ = 25 °C, no loadtyp 6 · max 12 uA14
Switch turned off IOFFVIN = 5.5 V, no load; -40 < TJ < 125 °Cmax 15 uA14
Switch turned on IONVIN = 5.5 V, TJ = 25 °C, no loadtyp 40 · max 60 uA14
Switch turned on IONVIN = 5.5 V, no load; -40 < TJ < 125 °Cmax 70 uA14
Output leakage current(1) IleakageVIN = 5.5 V, TJ = 25 °C, output grounded, switch is OFFmax 2 uA14
Output leakage current(1) IleakageVIN = 5.5 V, output grounded, switch is OFF; -40 < TJ < 125 °Cmax 5 uA14
Reversed leakage current IreverseSwitch is off, VIN < VOUT, output connected to 5.5 V, 25 °Ctyp 0.5 · max 2 uA14
Reversed leakage current IreverseSwitch is off, VIN < VOUT, output connected to 5.5 V, 125 °Ctyp 0.5 · max 3 uA14
Thermal shutdown threshold T1VIN = 5.5 V, IOUT = rated current, TJ = 25 °C, unless otherwise specifiedmax 145 °C15
Recovery from thermal shutdown T2VIN = 5.5 V, IOUT = rated current, TJ = 25 °C, unless otherwise specifiedmin 120 °C15
- HysteresisVIN = 5.5 V, IOUT = rated current, TJ = 25 °C, unless otherwise specifiedtyp 14 °C15
Undervoltage lockout threshold VUVLOVIN = 5.5 V, IOUT = rated current, TJ = 25 °C, unless otherwise specifiedmin 2 · max 2.5 V15
- HysteresisVIN = 5.5 V, IOUT = rated current, TJ = 25 °C, unless otherwise specifiedmin 40 · typ 75 · max 110 mV15
FAULT assertion and de-assertion OC blankingVIN = 5.5 V, IOUT = rated current, TJ = 25 °Cmin 4 · typ 8 · max 15 ms15
Output low voltage VOUTVIN = 5.5 V, TJ = 25 °C, IOUT = 5 mAmax 0.4 V15
Off current IOFFVIN = 5.5 V, TJ = 25 °C, VFAULT = 2.7 V, 5.5 V (no OC condition)max 1 uA15
High level input voltage VIHVIN = 2.7 to 5.5 V, TJ = 25 °Cmin 2 V15
Low level input voltage VILVIN = 4.5 to 5.5 V, TJ = 25 °Cmax 0.8 V15
Low level input voltage VILVIN = 2.7 to 4.5 V, TJ = 25 °Cmax 0.4 V15
Input current IINVIN = 5.5 V, TJ = 25 °C, VIEN = 0 V or VINmin -0.5 · max 0.5 uA15
Turn-ON time(1) tONVIN = 5.5 V, IOUT = rated current, TJ = 25 °C, RL = 10 Ω, CL = 100 uF; not tested in production, specified by designmax 5 ms15
Turn-OFF time(1) tOFFVIN = 5.5 V, IOUT = rated current, TJ = 25 °C, RL = 10 Ω, CL = 100 uF; not tested in production, specified by designmax 10 ms15

Pins, by the datasheet

5
1 OUT
Output of power switch. · p. 8
2 GND
Ground. · p. 8
3 FAULT
Open drain FAULT indicator, active low. · p. 8
4 EN
Enable for power switch; active high for STMPS2151. · p. 8
5 IN
2.7 - 5.5 V input. · p. 8

Ordering codes, by the datasheet

1
STMPS2151STR
SOT23-5L · 500 mA continuous output, active high enable; marking 2151 · p. 35

Parameters

15
Control Input Logic
Active High
Current - Supply
40uA
Current Limit
800mA
Features
Under-voltage lockout
Junction Temperature(Max)
125℃
Maximum Continuous Current
500mA
Number of Channels
1
Operating Temperature
-40℃~+85℃
Operating Temperature -
-40℃~+125℃
RDS(on)
90mΩ
Standby Current
6uA
Thermal Resistance(Junction to Ambient)
191℃/W
Type
High Side Switch
Voltage - Supply
2.7V~5.5V
Voltage - Supply(Absolute Max)
6V

Order codes

1

Pinout

5
The pins of the STMPS2151S
PinNameType
1VOUTUnspecified
2GNDUnspecified
3FAULTUnspecified
4ENUnspecified
5VINUnspecified

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Questions

Is there a KiCad symbol and footprint for the STMPS2151S?

Yes. The symbol is EasyEDA_Cloud:STMPS2151STR and the footprint Package_TO_SOT_SMD:SOT-23-5, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the STMPS2151S?

SOT-23-5, with 5 pins. Its footprint is drawn on this page.

Where is the STMPS2151S datasheet?

STMicroelectronics publishes it: the Datasheet link on this page opens it.

Where can I order the STMPS2151S?

JLCPCB lists it as part C135998, with 21,296 in stock; the sellers' links on this page open their listings.

What can replace the STMPS2151S?

Parts like it in the library: the SY6280AAC by 矽力杰silergy, the AP2171WG by Diodes Incorporated, the TPS2051BDBV by Texas Instruments and the RT9742CGJ5 by RICHTEK. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the STMPS2151S?

2 boards in 2 repositories on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

8