Description
Pin name Pin number VBB1 7 VBB2 24 E1 5 E2 23 OUTA 2 OUTA
1 OUTB 27 OUTB
28 GND 14 S
GND 15 D
GND 6 22 CR 21 VREF1 VREF2 PHASE1 PHASE2 ENABLE1 ENABLE2 IA1, IA2 IB1, IB2 VCC 13 16 9 20 10 19 12, 11 17, 18 8 Function Output stage power supply voltage pin.
Features
- PWM current control (external excitation).
- Load current digital selection (1.
- 2, W1.
- 2, and 2 phase excitation drives possible).
- Built-in upper/lower diode.
- Simultaneous ON prevention function (feedthrough current prevention).
- Built-in thermal shutdown circuit.
- Built-in noise canceler
Package Dimensions
unit: mm 3233-HSOP28H
[LB1945H]
15.3
28
15
0.65
0.25
6.2 2.7
1 0.85 0.8 0.3
14
2.5max
0.1
2.25
Specifications
Absol.
LB1945H Datasheet
