DRV8351-SEP数据手册TI中文资料规格书

描述 Description

DRV8351-SEP is a three phase half-bridge gate driver, capable of driving high-side and low-side N-channel power MOSFETs. The DRV8351-SEPD generates the correct gate drive voltages using an integrated bootstrap diode and external capacitor for the high-side MOSFETs. GVDD is used to generate gate drive voltage for the low-side MOSFETs. The Gate Drive architecture supports peak up to 750mA source and 1.5A sink currents.

The phase pins SHx are able to tolerate significant negative voltage transients; while high side gate driver supply BSTx and GHx can support higher positive voltage transients (57.5V) abs max voltage which improve the robustness of the system. Small propagation delay and delay matching specifications minimize the dead-time requirement which further improves efficiency. Undervoltage protection is provided for both low and high sides through GVDD and BST undervoltage lockout.

特性 Features

40V Three Phase Half-Bridge Gate driver

Drives N-Channel MOSFETs (NMOS)

Gate Driver Supply (GVDD): 5-15V

MOSFET supply (SHx) supports up to 40V



Target Radiation Performance

SEL, SEB, and SET immune up to LET = 43 MeV-cm2 /mg

SET and SEFI characterized up to LET = 43 MeV-cm2 /mg

TID assured for every wafer lot up to 30 krad(Si)

TID characterized up to 30 krad(Si)



Space-enhanced plastic (space EP):

Controlled Baseline

One Assembly/Test Site

One Fabrication site

Extended Product Life Cycle

Product Traceability



Integrated Bootstrap Diodes

Supports Inverting and Non-Inverting INLx inputs

Bootstrap gate drive architecture

750mA source current

1.5- sink current



Low leakage current on SHx pins (<55µA)

Absolute maximum BSTx voltage up to 57.5V

Supports negative transients up to -22V on SHx

Built-in cross conduction prevention

Fixed deadtime insertion of 200nS

Supports 3.3V and 5V logic inputs with 20V Abs max

4nS typical propagation delay matching

Compact TSSOP package

Efficient system design with Power Blocks

Integrated protection features

BST undervoltage lockout (BSTUV)

GVDD undervoltage (GVDDUV)