STMicroelectronics L6203 Full Bridge Driver — DMOS H-Bridge, 4 A DC / 5 A Peak, 12–48 V Supply, Multiwatt11 Package, TTL/CMOS Compatible Inputs, 100 kHz Max Switching Frequency. Sold as a factory tube of 24 pieces in original packaging. Designed for DC motor and bipolar stepper motor control using Multipower-BCD technology combining isolated DMOS power transistors with CMOS and bipolar control circuitry on a single chip.
Available in stock — ships within 3 days after payment.
Product overview
| Part number | L6203 |
| Manufacturer | STMicroelectronics |
| Product type | DMOS Full Bridge Driver (H-Bridge) |
| Package | Multiwatt11 |
| Quantity per tube | 24 pieces |
| Supply voltage (Vs) | 12 V – 48 V (abs. max. 52 V) |
| DC output current | 4 A (RMS) |
| Peak output current | 5 A |
| On-resistance (RDS(ON)) | 0.3 Ω typical at 25 °C |
| Logic input compatibility | TTL, CMOS, µC compatible |
| Input low voltage | ≤ 0.8 V |
| Input high voltage | 2 V – 7 V |
| Max. switching frequency | 100 kHz |
| Dead time protection | 100 ns (cross-conduction protected) |
| Thermal shutdown | Yes — triggers at 150 °C junction temperature |
| Operating temperature | –40 °C to +150 °C (junction) |
| Condition | New — original packaging (OVP) |
Applications
- Bidirectional DC motor speed and direction control
- Bipolar stepper motor driving with chopper current control (e.g. paired with L297 or L6506)
- PWM motor drives in industrial automation, robotics, and CNC equipment
- High-efficiency power stages requiring low RDS(ON) and fast switching
Shipping
- Ships within 3 days after payment
- Secure packaging for safe delivery
- Free delivery within Germany
Warranty & compliance
- 12-month warranty included
- Product is fully compliant with EU industry standards
- VAT invoice included with every order
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