Full-Bridge Motor Driver Dual - L298N
SparkFun breakout for the L298N dual full-bridge motor driver, supporting two DC motors or one stepper at up to 2 A per channel and 46 V. TTL-compatible logic inputs.
Pinout
- Sense AMultiwatt15 pin 1
Bridge A current-sense resistor connection to ground
Type · UnknownVoltage · sense - Out 1Multiwatt15 pin 2
Bridge A output 1
Type · UnknownVoltage · motor drive - Out 2Multiwatt15 pin 3
Bridge A output 2
Type · UnknownVoltage · motor drive - VSMultiwatt15 pin 4
Supply voltage for power output stages
Type · PowerVoltage · up to 46V - Input 1Multiwatt15 pin 5
TTL-compatible bridge A input 1
Type · UnknownVoltage · TTL logic - Enable AMultiwatt15 pin 6
TTL-compatible bridge A enable; low disables bridge A
Type · ControlVoltage · TTL logic - Input 2Multiwatt15 pin 7
TTL-compatible bridge A input 2
Type · UnknownVoltage · TTL logic - GNDMultiwatt15 pin 8
Ground
Type · GroundVoltage · 0V - VSSMultiwatt15 pin 9
Logic supply voltage
Type · GroundVoltage · 4.5-7V logic supply - Input 3Multiwatt15 pin 10
TTL-compatible bridge B input 3
Type · UnknownVoltage · TTL logic - Enable BMultiwatt15 pin 11
TTL-compatible bridge B enable; low disables bridge B
Type · ControlVoltage · TTL logic - Input 4Multiwatt15 pin 12
TTL-compatible bridge B input 4
Type · UnknownVoltage · TTL logic - Out 3Multiwatt15 pin 13
Bridge B output 3
Type · UnknownVoltage · motor drive - Out 4Multiwatt15 pin 14
Bridge B output 4
Type · UnknownVoltage · motor drive - Sense BMultiwatt15 pin 15
Bridge B current-sense resistor connection to ground
Type · UnknownVoltage · sense
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| Sense A | Multiwatt15 pin 1 | Unknown | Bridge A current-sense resistor connection to ground | sense |
| Out 1 | Multiwatt15 pin 2 | Unknown | Bridge A output 1 | motor drive |
| Out 2 | Multiwatt15 pin 3 | Unknown | Bridge A output 2 | motor drive |
| VS | Multiwatt15 pin 4 | Power | Supply voltage for power output stages | up to 46V |
| Input 1 | Multiwatt15 pin 5 | Unknown | TTL-compatible bridge A input 1 | TTL logic |
| Enable A | Multiwatt15 pin 6 | Control | TTL-compatible bridge A enable; low disables bridge A | TTL logic |
| Input 2 | Multiwatt15 pin 7 | Unknown | TTL-compatible bridge A input 2 | TTL logic |
| GND | Multiwatt15 pin 8 | Ground | Ground | 0V |
| VSS | Multiwatt15 pin 9 | Ground | Logic supply voltage | 4.5-7V logic supply |
| Input 3 | Multiwatt15 pin 10 | Unknown | TTL-compatible bridge B input 3 | TTL logic |
| Enable B | Multiwatt15 pin 11 | Control | TTL-compatible bridge B enable; low disables bridge B | TTL logic |
| Input 4 | Multiwatt15 pin 12 | Unknown | TTL-compatible bridge B input 4 | TTL logic |
| Out 3 | Multiwatt15 pin 13 | Unknown | Bridge B output 3 | motor drive |
| Out 4 | Multiwatt15 pin 14 | Unknown | Bridge B output 4 | motor drive |
| Sense B | Multiwatt15 pin 15 | Unknown | Bridge B current-sense resistor connection to ground | sense |
Pin details
15 connections- Sense AMultiwatt15 pin 1
Bridge A current-sense resistor connection to ground
UnknownVoltage · sense - Out 1Multiwatt15 pin 2
Bridge A output 1
UnknownVoltage · motor drive - Out 2Multiwatt15 pin 3
Bridge A output 2
UnknownVoltage · motor drive - VSMultiwatt15 pin 4
Supply voltage for power output stages
PowerVoltage · up to 46V - Input 1Multiwatt15 pin 5
TTL-compatible bridge A input 1
UnknownVoltage · TTL logic - Enable AMultiwatt15 pin 6
TTL-compatible bridge A enable; low disables bridge A
ControlVoltage · TTL logic - Input 2Multiwatt15 pin 7
TTL-compatible bridge A input 2
UnknownVoltage · TTL logic - GNDMultiwatt15 pin 8
Ground
GroundVoltage · 0V - VSSMultiwatt15 pin 9
Logic supply voltage
GroundVoltage · 4.5-7V logic supply - Input 3Multiwatt15 pin 10
TTL-compatible bridge B input 3
UnknownVoltage · TTL logic - Enable BMultiwatt15 pin 11
TTL-compatible bridge B enable; low disables bridge B
ControlVoltage · TTL logic - Input 4Multiwatt15 pin 12
TTL-compatible bridge B input 4
UnknownVoltage · TTL logic - Out 3Multiwatt15 pin 13
Bridge B output 3
UnknownVoltage · motor drive - Out 4Multiwatt15 pin 14
Bridge B output 4
UnknownVoltage · motor drive - Sense BMultiwatt15 pin 15
Bridge B current-sense resistor connection to ground
UnknownVoltage · sense
Start wiring
PWM · I2C · UART · Wide input · Breakout
Verify supply voltage and logic levels before powering up.
Module pins: VS, GND, VSS. Schematik maps them to your board in the app.
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