Key facts
- Brand
- STMicroelectronics
- Model
- L6234
- Industry
- Industrial
- Documents
- 3
- Languages
- EN
- Last added
- 2012-08-09
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STMicroelectronics L6234 Three Phase Motor Driver Datasheet
The L6234 is a triple half-bridge driver designed to drive brushless DC motors. It utilizes BCDmultipower technology, combining isolated DMOS power transistors with CMOS and Bipolar circuits on a single chip to optimize performance. The device is available in PowerDIP20 and PowerSO20 packages.
Read onlineSTMicroelectronics L6234 specifications
| Supply voltage | 7 to 52 V |
|---|---|
| Peak output current | 5 A |
| ON resistance (RDSon) | 0.3 Ω typ. |
| Operating frequency | up to 150 kHz |
| Quiescent supply current | 6.5 mA |
| Thermal shutdown temperature | 150 °C |
Source: STMicroelectronics L6234 Three Phase Motor Driver Datasheet
All STMicroelectronics L6234 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
How to use the product for one specific task, with worked examples.
Questions answered in these manuals
What is the L6234 used for?
The L6234 is a triple half bridge designed to drive brushless DC motors.
From: STMicroelectronics L6234 Three Phase Motor Driver Datasheet
What packages are available for the L6234?
The L6234 is available in 20 pin PowerDIP package and in PowerSO20.
From: STMicroelectronics L6234 Three Phase Motor Driver Datasheet
What is the recommended maximum supply voltage for inductive loads?
The recommended operating maximum supply voltage is 42V to prevent overvoltage applied to the DMOSFETs.
What is the minimum switching frequency to avoid acoustic noises?
The switching frequency should be higher than 16kHz to avoid acoustic noises.
What supply voltage range does the L6234 support?
The L6234 operates from 7 V up to 52 V.
From: STMicroelectronics L6234 Three-Phase Motor Driver Datasheet
What is the typical on‑resistance of the output DMOS transistors?
The typical RDS(on) is 0.3 Ω.
From: STMicroelectronics L6234 Three-Phase Motor Driver Datasheet