Isolated-Half-Bridge-Driver

CK20000·Isolated-Half-Bridge-Driver·Hardware/motor driver.kicad_pcb

Isolated-Half-Bridge-Driver PCB layout, top view — open source board by CK20000

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About the Isolated-Half-Bridge-Driver PCB

Isolated-Half-Bridge-Driver is an open source PCB design by CK20000, published on GitHub under the MIT license. It is a 2-layer board measuring 45 × 63.5 mm, with 46 components from 25 distinct parts.

Other key parts include the AD8418, LMH6611, 6N137, AMS1117-3.3 and AMS1117-5.0. By type, the board carries 18 capacitors, 14 resistors, 7 ICs, 4 connectors, 2 transistors and 1 diode.

It belongs with the robotics & motion designs in this gallery.

From the project

An isolated half-bridge motor driver board featuring 6N137 galvanic protection, an IR2101 bootstrap topology, and precise AD8418 bidirectional current sensing.

A robust, single half-bridge motor driver featuring galvanic PWM isolation and high-resolution bidirectional current sensing. Designed to safely interface a microcontroller with high-voltage motor rails while providing precise analog current feedback.

Isolated-Half-Bridge-Driver, from the project README — From the project README

Main components on the Isolated-Half-Bridge-Driver

AD8418 LMH6611 6N137 AMS1117-3.3 AMS1117-5.0 IR2101

Isolated-Half-Bridge-Driver bill of materials (BOM)

46 components, 25 distinct parts.

Qty	Part	Footprint	Refs
1	AD8418	SOIC-8_3.9x4.9mm_P1.27mm	U1
1	LMH6611	TSOT-23-6	U2
2	6N137	DIP-8_W7.62mm	U4, U11
1	AMS1117-3.3	SOT-223-3_TabPin2	U5
1	AMS1117-5.0	SOT-223-3_TabPin2	U6
1	IR2101	DIP-8_W7.62mm_LongPads	U8
2	IRFZ44N	TO-220-3_Vertical	Q1, Q2
2	Screw_Terminal_01x02	TerminalBlock_MaiXu_MX126-5.0-02P_1x02_P5.00mm	J1, J2
1	Screw_Terminal_01x02	TerminalBlock_Xinya_XY308-2.54-2P_1x02_P2.54mm_Horizontal	J3
1	Conn_01x02_Pin	PinHeader_1x02_P2.54mm_Vertical	J4
1	1N5819	D_DO-41_SOD81_P2.54mm_Vertical_AnodeUp	D3
2	10uF	C_Disc_D3.0mm_W2.0mm_P2.50mm	C1, C6
7	0.1uF	C_Disc_D3.0mm_W2.0mm_P2.50mm	C2, C4, C5, C8, C9, C13, C14
1	1uF	C_Disc_D3.0mm_W2.0mm_P2.50mm	C3
1	10uF	C_Radial_D5.0mm_H5.0mm_P2.00mm	C7
1	1000uF	CP_Radial_D10.0mm_P5.00mm	C10
3	100nF	C_Disc_D3.0mm_W2.0mm_P2.50mm	C11, C34, C35
1	10nF	C_Disc_D3.0mm_W2.0mm_P2.50mm	C19
2	1nF	C_Disc_D3.0mm_W2.0mm_P2.50mm	C26, C27
3	330	R_Axial_DIN0204_L3.6mm_D1.6mm_P1.90mm_Vertical	R1, R2, R9

Show 5 more

Qty	Part	Footprint	Refs
4	1k	R_Axial_DIN0204_L3.6mm_D1.6mm_P1.90mm_Vertical	R3, R4, R7, R8
2	10k	R_Axial_DIN0204_L3.6mm_D1.6mm_P1.90mm_Vertical	R5, R6
2	22	R_Axial_DIN0204_L3.6mm_D1.6mm_P1.90mm_Vertical	R13, R14
1	R002	R_4020_10251Metric	R19
2	10	R_Axial_DIN0204_L3.6mm_D1.6mm_P1.90mm_Vertical	R25, R26

Isolated-Half-Bridge-Driver design files

The KiCad project lives in the CK20000/Isolated-Half-Bridge-Driver repository on GitHub; these links point at the commit this page was built from.

LayoutHardware/motor driver.kicad_pcb
SchematicHardware/motor driver.kicad_sch

Isolated-Half-Bridge-Driver: common questions

How big is the Isolated-Half-Bridge-Driver PCB?

The Isolated-Half-Bridge-Driver measures 45 × 63.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Isolated-Half-Bridge-Driver?

46 components, from 25 distinct parts. The full bill of materials is listed on this page.

Where can I download the Isolated-Half-Bridge-Driver design files?

From the CK20000/Isolated-Half-Bridge-Driver repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Isolated-Half-Bridge-Driver design in my own project?

Yes, under the terms of its MIT license, which CK20000 chose for the repository.

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