L6203

STMicroelectronics

12V~48V 15mA 300mΩ 4A 5A Yes Multiwatt-11-V Brushed DC Motor Drivers ROHS

Extended

Category: Brushed DC Motor Drivers
Package: Multiwatt-11-V
Pins: 11

Overview

The L6203 is a brushed DC Motor Driver made by STMicroelectronics in a Multiwatt-11-V package with 11 pins. 12V~48V 15mA 300mΩ 4A 5A Yes Multiwatt-11-V Brushed DC Motor Drivers ROHS.

PCBKit's library has its KiCad symbol (dk_PMIC-Full-Half-Bridge-Drivers:L6203, from Digikey) and its footprint (digikey-footprints:Multiwatt-11, from Digikey), ready for a KiCad board. 12 are in stock at JLCPCB (part C34306). 8 open-source boards in 5 repositories on GitHub use it.

Symbol

dk_PMIC-Full-Half-Bridge-Drivers:L6203From Digikey

Footprint

digikey-footprints:Multiwatt-11From Digikey

Parameters

Features: Current sensing/regulation function
Output Current: 4A
Peak Current: 5A
Quiescent Current(Iq): 15mA
RDS(on): 300mΩ
Technology: Yes
Voltage - Supply: 12V~48V

Order codes

L6203LCSC C34306

Pinout

The pins of the L6203
Pin	Name	Type
1	OUT2	Output
2	VS	Power in
3	OUT1	Output
4	BOOT1	Passive
5	IN1	Input
6	GND	Power in
7	IN2	Input
8	BOOT2	Passive
9	VREF	Passive
10	SENSE	Input
11	ENABLE	Input

Open-source boards using it

All 8

4 layers42 × 45 mm
Blinder
nophead/Blinder
Tasmota roller blind open / close mechanism
25 parts9GPL-3.0
2 layers160 × 100 mm
DCC V2
PaulVdBergh/DCC_Hardware
The repository for DCC Hardware projects
101 parts1
2 layers
Shield custom 1
iner-dev/projet-eurobot-2025

17 parts
2 layers226.4 × 128.4 mm
Bab top
trublion/turtable_control_board_hbridge
HW control board for turntable. Controls a DC motor with a H-bridge, reads an analog audio signal envelope, dual-PCB design.
109 partsMIT
2 layers71.1 × 67.3 mm
SYNCHRO Booster
h07jonas/SYNCHRO
SYNCHRO System for Yielding Networked CHannel Rail Operation SYNCHRO is a modular, high-performance digital model railroad control ecosystem architecture based on the DCC (Digital Command Control) standard.
45 parts1
2 layers71.1 × 67.3 mm
SYNCHRO Booster
h07jonas/SYNCHRO
SYNCHRO System for Yielding Networked CHannel Rail Operation SYNCHRO is a modular, high-performance digital model railroad control ecosystem architecture based on the DCC (Digital Command Control) standard.
47 parts1
2 layers31 × 26.5 mm
Driver moteur eurobot
iner-dev/projet-eurobot-2025

6 parts
2 layers
PCB Motor
iner-dev/projet-eurobot-2025

5 parts

Show this part on your page

A live frame, for any web page

<iframe src="https://pcbkit.io/embed/parts/st/L6203" title="L6203 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>

A picture

<img src="https://pcbkit.io/embed/parts/st/L6203.jpg" alt="L6203" width="1200" height="900">

A picture that opens the part, for a README

[![L6203](https://pcbkit.io/embed/parts/st/L6203.jpg?size=s)](https://pcbkit.io/parts/st/L6203)

Questions

Is there a KiCad symbol and footprint for the L6203?

Yes. The symbol is dk_PMIC-Full-Half-Bridge-Drivers:L6203 and the footprint digikey-footprints:Multiwatt-11, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the L6203?

Multiwatt-11-V, with 11 pins. Its footprint is drawn on this page.

Where is the L6203 datasheet?

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

Where can I order the L6203?

JLCPCB lists it as part C34306, with 12 in stock; the sellers' links on this page open their listings.

Which open-source boards use the L6203?

8 boards in 5 repositories on GitHub; the most starred are listed on this page, with their KiCad files.