BTS 7970B is a high current PN half bridge NovalithIC with a rated current of 68A and a typical resistance of 7 mΩ + 9 mΩ.
This datasheet describes the BTS 7970B high‑current PN half‑bridge, part of Infineon's NovalithIC family. It integrates a p‑channel high‑side MOSFET, an n‑channel low‑side MOSFET, and a driver IC, offering logic‑level inputs, current‑sense diagnostics, slew‑rate adjustment, and multiple protection functions.
The document includes a product summary, basic features, pin assignments, maximum electrical and thermal ratings, block diagrams, application notes, package dimensions, and revision history, helping designers select and implement the device in automotive power‑train and motor‑drive applications.
| Typical Path Resistance | 16 mΩ @ 25 °C |
|---|---|
| Typical Quiescent Current | 7 µA @ 25 °C |
| Current Limitation Level | 68 A typ. / 50 A min. |
| Supply Voltage Range | -0.3 V to 45 V |
| Operating Temperature Range | -40 °C to 150 °C |
It can handle up to about 90 A for a 10 ms pulse, depending on the pulse duration and limitation level.
The BTS 7970B is supplied in a P‑TO‑263‑7 (plastic transistor single outline) package.
The device operates from 5.5 V up to 28 V.