ABB SD812F Power module

Sales manager: Vicky.xia Email: vicky@kerienplc.com Mob(Whatsapp/Wechat) :+ 86 13695017671 QQ：259680581 Skype :+ 86 13695017671

Basic information and functional characteristics of SD812F power module

The SD812F power module is an important component in the field of industrial automation, designed with a focus on efficient driving and reliable protection, suitable for control scenarios of power electronic equipment. The following provides an explanation of product functions, technical parameters, and application scenarios:

1、 Core functions and technological advantages

Dual unit driving capability

This module adopts a two unit driver board design, which can drive dual transistors of 300A/1200V (or 600A/600V) and support switching between half bridge mode or two single channel modes. In half bridge applications, dual tube signals interlock and allow users to set dead time to avoid the risk of direct transmission; In dual single channel mode, the two signals are independent and suitable for driving current type half bridge circuits.

Comprehensive protection mechanism

Short circuit protection: It has a soft turn off protection function in case of short circuit, while blocking the PWM signal to prevent device damage.

Parameter configurable: User parameter setting positions are reserved on the board, and IGBT short-circuit threshold, protection blind zone time, soft turn off slope, and fault restart time can be set according to requirements. Some parameters support default values for direct use.

Efficient power supply design

Equipped with an AC/DC auxiliary power supply, it directly obtains energy from the AC mains, reduces the DC/DC secondary conversion process, improves system efficiency, and does not require additional power supply to the main control board.

2、 Compatibility and signal interface

Wide voltage compatibility: Supports 5V and 12/15V main control board systems, suitable for different industrial control environments.

Fault signal output: Provides positive and negative fault signal outputs, which users can choose to use according to system requirements.

3、 Application scenarios and layout suggestions

Typical application areas

Suitable for power electronic converters, motor drive systems, and industrial automation equipment, especially for scenarios with high requirements for drive accuracy and protection reliability (such as new energy generation, rail transit, etc.).

Key points of layout design

Define the U, V, W phases and upper and lower bridge arms in phase sequence, place the driving part in the middle, and symmetrically arrange the devices on both sides.

The core components are placed nearby and adopt a 6-layer double-sided design (signal layer and power/ground layer separated) to reduce parasitic inductance and signal interference, and improve stability.