ST1S10PHR

Q: Is there a KiCad symbol and footprint for the ST1S10PHR?

Yes. The symbol is Regulator_Switching:ST1S10PHR and the footprint Package_SO:TI_SO-PowerPAD-8, both drawn on this page. PCBKit places them on a board for you when you design with it.

Q: What package is the ST1S10PHR?

SOIC-8-EP, with 9 pins. Its footprint is drawn on this page.

Q: Where is the ST1S10PHR datasheet?

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

Q: Where can I order the ST1S10PHR?

JLCPCB lists it as part C11175, with 2,858 in stock; the sellers' links on this page open their listings.

Q: What can replace the ST1S10PHR?

Parts like it in the library: the TPS5430DDAR by Texas Instruments, the TPS54360DDA by Texas Instruments, the TPS54531DDAR by Texas Instruments and the ST1S14PHR by STMicroelectronics. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Q: Which open-source boards use the ST1S10PHR?

17 boards in 17 repositories on GitHub; the most starred are listed on this page, with their KiCad files.

STMicroelectronics

-25℃~+125℃ 1 1.5mA 2.5V~18V 3A 800mV~13.6V 900kHz~1.2MHz Adjustable Buck Buck Built-in Yes SOIC-8-EP DC-DC Converters ROHS

Extended

Datasheetst/ST1S10PHR

Category: DC DC Converters
Package: SOIC-8-EP
Pins: 9

Overview

The ST1S10PHR is a DC DC Converter made by STMicroelectronics in a SOIC-8-EP package with 9 pins. -25℃~+125℃ 1 1.5mA 2.5V~18V 3A 800mV~13.6V 900kHz~1.2MHz Adjustable Buck Buck Built-in Yes SOIC-8-EP DC-DC Converters ROHS.

PCBKit's library has its KiCad symbol (Regulator_Switching:ST1S10PHR, from KiCad's library) and its footprint (Package_SO:TI_SO-PowerPAD-8, from KiCad's library), ready for a KiCad board. 2,858 are in stock at JLCPCB (part C11175). 17 open-source boards in 17 repositories on GitHub use it.

Symbol

Regulator_Switching:ST1S10PHRFrom KiCad's library

Footprint

Package_SO:TI_SO-PowerPAD-8From KiCad's library

From the datasheet

Supply, least: 2.5 V · VIN_SW, recommended operating min · p. 8
Supply, most: 18 V · VIN_SW, recommended operating max · p. 8
Supply, absolute maximum: 20 V · VIN_SW, absolute max · p. 5
Junction, hottest: 125 °C · Operating junction temperature max · p. 5
Takes working: 1.5 mA · Quiescent current typical, VINH > 1.2 V, not switching · p. 6
Takes asleep: 2 µA · Shutdown quiescent current typical, VINH < 0.4 V · p. 6
Gives: 3 A · Rated continuous output, guaranteed min · p. 6
Current limit: 5 A · Switch current limitation typical · p. 6
Feedback reference: 800 mV · VFB typical · p. 10
Switches at: 900 kHz · PWM switching frequency typical, VFB = 0.7 V, Sync = GND, TJ = 25°C · p. 6
Junction to air (PowerSO-8): 40 K/W · Thermal resistance junction-ambient · p. 5
Junction to case (PowerSO-8): 12 K/W · Thermal resistance junction-case · p. 5

What it is and has

Regulation: Step-down current mode PWM · p. 1
Output voltage: Adjustable from 0.8 V · p. 1
DC output voltage tolerance: 2% · p. 1
Rectification: Synchronous · p. 1
Inhibit: Inhibit function · p. 1
Soft start: Internal · p. 1
Protection: Dynamic short circuit protection · p. 1
Efficiency: 90% typical · p. 1

Around it

cap 4.7 µF: between VIN_SW and PGND; Minimum input capacitance for most applications; place close to VIN_SW. · p. 9
cap 0.1 µF: between VIN_A and AGND; Ceramic input capacitor for most applications; place close to VIN_A. · p. 9
cap 10 µF or higher: between VIN_SW and PGND; Ceramic; recommended with higher supply source impedance, long supply wires, or 47 uF < CLOAD < 100 uF. · p. 9
cap 1 µF or higher: between VIN_A and AGND; Recommended with higher supply source impedance, long supply wires, or 47 uF < CLOAD < 100 uF. · p. 9
cap 22 µF: between VOUT and PGND; Minimum ceramic output capacitor under typical application conditions for VOUT > 2.5 V. · p. 9
ind 3.3 µH: between SW and VOUT; Typical output LC network uses this inductor with a 22 uF output capacitor. · p. 9
cap 2 x 22 µF: between VOUT and PGND; Parallel output capacitors for 0.8 V < VOUT < 2.5 V and VIN < 8 V. · p. 10
cap 2 x 22 µF: between VOUT and PGND; Parallel output capacitors for 0.8 V < VOUT < 2.5 V and VIN > 8 V; add the specified electrolytic capacitor. · p. 10
cap 100 µF: between VOUT and PGND; Electrolytic, ESR < 0.1 Ω; add parallel to the 2 x 22 uF output capacitors for low output voltage and VIN > 8 V. · p. 10
res 20 kΩ: between VFB and AGND; R2, suggested divider resistance; calculate R1 for the desired output voltage. · p. 10
ind 2.2 µH: between SW and VOUT; Recommended compromise for 0.8 V < VOUT < 2.5 V. · p. 11
cap 10 µF: between VIN_SW and PGND; C1 minimum for highly capacitive output loads. · p. 12
cap 4.7 µF: between VIN_A and AGND; C3 ceramic capacitor for highly capacitive output loads. · p. 12
cap 4.7 nF: between VOUT and VFB; C4 parallel to R1; add only when a load capacitance greater than 100 uF is continuously present. · p. 12
cap 47 µF (or 2 x 22 µF capacitors in parallel): between VOUT and PGND; Increase C2 to this value when the high capacitive load is variable or not always present, in addition to C4. · p. 12

Specifications

Parameter	Conditions	As printed	Page
Positive power supply voltage VIN_SW		min -0.3 · max 20 V	5
Positive supply voltage VIN_A		min -0.3 · max 20 V	5
Inhibit voltage VINH	Maximum = VIN_A	min -0.3 V	5
Output switch voltage VSW		min -0.3 · max 20 V	5
Feedback voltage VFB		min -0.3 · max 2.5 V	5
FB current IFB		min -1 · max 1 mA	5
Synchronization Sync		min -0.3 · max 6 V	5
Storage temperature range TSTG		min -40 · max 150 °C	5
Operating junction temperature range TOP		min -25 · max 125 °C	5
Thermal resistance junction-ambient RthJA	PowerSO-8	max 40 °C/W	5
Thermal resistance junction-case RthJC	PowerSO-8	max 12 °C/W	5
Feedback voltage VFB	TJ = 25°C	min 784 · typ 800 · max 816 mV	6
Feedback voltage VFB	TJ = -25°C to 125°C	min 776 · typ 800 · max 824 mV	6
VFB pin bias current IFB		max 600 nA	6
Quiescent current IQ	VINH > 1.2 V, not switching	typ 1.5 · max 2.5 mA	6
Quiescent current IQ	VINH < 0.4 V	typ 2 · max 6 uA	6
Output current (1) IOUT	VIN = 2.5 V to 18 V; VOUT = 0.8 V to 13.6 V (2)	min 3 A	6
Inhibit threshold VINH	Device ON	min 1.2 V	6
Inhibit threshold VINH	Device OFF	max 0.4 V	6
Inhibit pin current IINH		typ 2 uA	6
Reference line regulation %VOUT/ΔVIN	2.5 V < VIN < 18 V	typ 0.4 %VOUT/ΔVIN	6
Reference load regulation %VOUT/ΔIOUT	10 mA < IOUT < 3 A	typ 0.5 %VOUT/ΔIOUT	6
PWM switching frequency PWM fs	VFB = 0.7 V, Sync = GND; TJ = 25°C	min 0.7 · typ 0.9 · max 1.1 MHz	6
Maximum duty cycle (2) DMAX		min 85 · typ 90 %	6
NMOS switch on resistance RDSon-N	ISW = 750 mA	typ 0.1 Ω	6
PMOS switch on resistance RDSon-P	ISW = 750 mA	typ 0.12 Ω	6
Switch current limitation ISWL		typ 5 A	6
Efficiency ν	IOUT = 100 mA to 300 mA	typ 85 %	6
Efficiency ν	IOUT = 300 mA to 3 A	typ 90 %	6
Thermal shut down TSHDN		typ 150 °C	6
Thermal shut down hysteresis THYS		typ 15 °C	6
Output transient response VOUT/ΔIOUT	100 mA < IOUT < 1 A; tR = tF ≥ 500 ns; typical ±5 %VO	typ 5 %VO	6
Short circuit removal response (overshot) VOUT/ΔIOUT @IO=short	10 mA < IOUT < short; typical ±10 %VO	typ 10 %VO	6
SYNC frequency capture range FSYNC	VIN = 2.5 V to 18 V; VSYNC = 0 to 5 V	min 0.4 · max 1.2 MHz	6
SYNC pulse width SYNCWD	VIN = 2.5 V to 18 V	min 250 ns	6
SYNC input threshold low VIL_SYNC	VIN = 2.5 V to 18 V	max 0.4 V	6
SYNC input threshold high VIH_SYNC	VIN = 2.5 V to 18 V	min 1.6 V	6
SYNC input current IIL, IIH	VIN = 2.5 V to 18 V; VSYNC = 0 or 5 V	min -10 · max 10 uA	7
Under voltage lock-out threshold UVLO	VIN rising	typ 2.3 V	7
Under voltage lock-out threshold UVLO	Hysteresis	typ 200 mV	7

Pins, by the datasheet

1 VIN_A: Analog input supply voltage; tie to VIN supply source. · p. 4
2 INH (EN): Active-low inhibit; connect to VIN_A if unused. · p. 4
3 VFB: Feedback input for an external divider setting VOUT from 0.8 V to 0.85*VIN_SW. · p. 4
4 AGND: Analog ground. · p. 4
5 SYNC: Connect to GND for 900 kHz operation or to an external clock from 400 kHz to 1.2 MHz. · p. 4
6 VIN_SW: Power input supply voltage; tie to VIN power supply source. · p. 4
7 SW: Switching node; connect to the inductor. · p. 4
8 PGND: Power ground. · p. 4
epad epad: Exposed pad; connect to ground. · p. 4

Ordering codes, by the datasheet

ST1S10PUR: DFN8 (4x4 mm) · Package · p. 1
ST1S10PHR: PowerSO-8 · Package · p. 1

Parameters

Current Limit: 5A
Features: Overcurrent Protection
Frequency - Switching: 900kHz
Function: Step-down type
Junction Temperature(Max): 125℃
Number of Outputs: 1
Operating Temperature: -25℃~+125℃
Output Current: 3A
Output Type: Adjustable
Output Voltage: 800mV~13.6V
Quiescent Current: 1.5mA
Reference Voltage: 800mV
Standby Current: 2uA
Switch tube (built-in/external): Built-in
Synchronous Rectifier: Yes
Thermal Resistance(Junction to Ambient): 40℃/W
Thermal Resistance(Junction to Case): 12℃/W
Topology: Buck
Voltage - Supply: 2.5V~18V
Voltage - Supply(Absolute Max): 20V

Order codes

ST1S10PHRLCSC C11175

Pinout

The pins of the ST1S10PHR
Pin	Name	Type
1	VINA	Power in
2	INH	Input
3	FB	Input
4	AGND	Power in
5	SYNC	Input
6	VINSW	Input
7	SW	Output
8	PGND	Power in
9	PADGND	Power in

Open-source boards using it

All 17

4 layers99.9 × 100 mm
Hermeslite
softerhardware/Hermes-Lite2
A second generation low-cost amateur HF software defined radio transceiver.
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Spla board
khaydarian/spla
SNES PPU Logic Analyzer
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4 layers120 × 80.6 mm
Stm32mp1-custom devboard
voloviq/stm32mp1-custom-devboard
Custom development board for stm32mp1-visionsom from Somlabs
195 parts7
2 layers113 × 56.3 mm
MP1Flight
TangoPush/MP1Flight
STM32MP1 based flight controller based off the Pixracer.
72 parts5CC0-1.0
2 layers65 × 56 mm
Radioberry preamp
OE9SAU/SAUBerry9
SDR TRX from Radioberry
142 parts4
2 layers43 × 49 mm
Smart wipers board
Olegas/smart-wipers

44 parts3
2 layers56 × 65 mm
Rysboard
GroupOfRobots/MiniRysElectronics
PCB project and other
90 parts1
4 layers200 × 99 mm
BSMainPCB
Kreyl/BigSphere
To create effects use https://github.com/notiel/SphereUI Change arrays in EffectPulse.h and EffectStrobo.h to generated by effect creator
877 parts

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Questions

Is there a KiCad symbol and footprint for the ST1S10PHR?

Yes. The symbol is Regulator_Switching:ST1S10PHR and the footprint Package_SO:TI_SO-PowerPAD-8, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the ST1S10PHR?

SOIC-8-EP, with 9 pins. Its footprint is drawn on this page.

Where is the ST1S10PHR datasheet?

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

Where can I order the ST1S10PHR?

JLCPCB lists it as part C11175, with 2,858 in stock; the sellers' links on this page open their listings.

What can replace the ST1S10PHR?

Parts like it in the library: the TPS5430DDAR by Texas Instruments, the TPS54360DDA by Texas Instruments, the TPS54531DDAR by Texas Instruments and the ST1S14PHR by STMicroelectronics. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the ST1S10PHR?

17 boards in 17 repositories on GitHub; the most starred are listed on this page, with their KiCad files.

ST1S10PHR

Overview

Symbol

Footprint

From the datasheet

What it is and has

Around it

Specifications

Pins, by the datasheet

Ordering codes, by the datasheet

Parameters

Order codes

Pinout

Open-source boards using it

Hermeslite

Spla board

Stm32mp1-custom devboard

MP1Flight

Radioberry preamp

Smart wipers board

Rysboard

BSMainPCB

Show this part on your page

Questions

Is there a KiCad symbol and footprint for the ST1S10PHR?

What package is the ST1S10PHR?

Where is the ST1S10PHR datasheet?

Where can I order the ST1S10PHR?

What can replace the ST1S10PHR?

Which open-source boards use the ST1S10PHR?

Parts like it

TPS5430DDAR

TPS54360DDA

TPS54531DDAR

ST1S14PHR

TPS54340DDAR

TPS54336ADDAR

TPS54335ADDAR

TPS5431DDAR