Description

The BTS 7751 G is part of the TrilithIC family containing three dies in one package:

One double high-side switch and two low-side switches. The drains of these three vertical DMOS chips are mounted on separated lead frames. The sources are connected to individual pins, so the BTS 7751 G can be used in H-bridge- as well as in any other configuration. Both the double high-side and the two low-side switches of the BTS 7751 G are manufactured in SMART SIPMOS® technology which combines low RDS ON vertical DMOS power stages with CMOS control circuitry. The high-side switch is fully protected and contains the control and diagnosis circuitry. Also the low-side switches are fully protected, the equivalent standard product is the BSP 78.

In contrast to the BTS 7750 G, the BTS 7751 G offers an open load in Off-mode detection and slightly increased current limitation.

Features

• Quad D-MOS switch driver

• Free configurable as bridge or quad-switch

• Optimized for DC motor management applications

• Low RDS ON: 70 mΩ high-side switch, 45 mΩ low

side switch (typical values @ 25 °C)

• Maximum peak current: typ. 14 A @ 25 °C

• Very low quiescent current: typ. 5 µA @ 25 °C

• Small outline, enhanced power P-DSO-package

• Full short-circuit-protection

• Operates up to 40 V

• Status flag diagnosis

• Overtemperature shut down with hysteresis

• Internal clamp diodes

• Open load detection in Off-mode

• Under-voltage detection with hysteresis

• PWM frequencies up to 1 kHz