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A4957 |
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| Part Number | A4957 |
| Manufacturer | Allegro |
| Description | The A4957 is a full-bridge controller for use with external N-channel power MOSFETs and is specifically designed for applications with high-power inductive loads such as brush DC motors. A unique char... |
| Features |
▪ High-current gate drive for N-channel MOSFET full bridge ▪ Independent control of each MOSFET ▪ Charge pump for low supply voltage operation ▪ Cross-conduction protection with adjustable dead time ▪ 4.5 to 50 V supply voltage range ▪ Diagnostics output ▪ Low current sleep mode
PACKAGE: 24-contact QFN with exposed thermal pad (Suffix ES)
Not to scale
DESCRIPTION
The A4957 is a full-bridge controller for use with external N-channel power MOSFETs and is specifically designed for applications with high-power inductive loads such as brush DC motors.
A unique charge pump regulator provides full (... |
| Document |
 A4957 Data Sheet
PDF 1.13MB |
| No. | Parte # | Fabricante | Descripción | Hoja de Datos |
|---|---|---|---|---|
| 1 | A4950 |
Allegro MicroSystems |
Full-Bridge DMOS PWM Motor Driver |
|
| 2 | A4952 |
Allegro |
Full-Bridge DMOS PWM Motor Drivers |
|
| 3 | A4953 |
Allegro |
Full-Bridge DMOS PWM Motor Drivers |
|
| 4 | A4954 |
Allegro |
Dual Full-Bridge DMOS PWM Motor Driver |
|
| 5 | A4955 |
Allegro |
Full-Bridge PWM Gate Driver |
|
| 6 | A4956 |
Allegro |
Full-Bridge PWM Gate Driver |
|
Desde 2024. D4U Semiconductor.
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