SABRE-LL-I

Detailed description

3/8

Detailed description

●

– Bridge 1 and 2:

–

Diagonal Rdson: 1.1

Ω;

–

Max operative current= 2.5A.

– Bridge 3 and 4:

–

Diagonal Rdson: 1.6

Ω;

–

Max operative current= 1.5A.

The possible configurations for each bridge are the following:

– Bridge 1 or 2:

–

DC motor driver

–

Super DC (Bridge 1 and 2 paralleled form SuperBridge1)

–

2 Half Bridges

–

1 super Half Bridge

–

2 switches

–

1 super switch

– Bridge 3 has the same configurations as Bridge 1 or 2 (Bridge 3 and 4 paralleled they

form SuperBridge2) plus the following:

–

½ Stepper motor driver

–

–

1 super Buck regulator

– Bridge 4 has the same configurations as Bridge 1 or 2 (Bridge 4 and 3 paralleled they

form SuperBridge2) plus the following:

–

½ Stepper motor driver

–

1 Super Buck regulator (VAUX3_SW)

–

Battery charger

●

– Internal soft start sequence.

– Pulse skipping strategy control.

– Internal PWM generation.

– Internal power FET.

– Regulated voltage range: 1-5 Volts.

– Output load current: 3.0 A.

– Switching frequency: ~250KHz.

●

– Pulse skipping strategy control.

– Internal PWM generation.

– Regulated voltage range: 1-30 Volts.

– Current limitation.