A3931KJP-T
Temperature range of -40°C to 150°C
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製造商零件號 # : A3931KJP-T
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包裝/封裝: LQFP-48
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製造商: Allegro Microsystems
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產品分類 : Motor Drivers, Controllers
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A3931KJP-T 數據表
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詳細說明
When it comes to motor control, safety is paramount, and the A3931KJP-T doesn't disappoint. Equipped with thermal shutdown, overcurrent detection, and undervoltage lockout features, this motor driver IC guarantees the protection of motors under all circumstances. Whether you're working with low or high voltage motors, the A3931KJP-T has you covered, providing reliable and safe operation at all times
主要特徵
- Drives External N-Channel FETs
- Intelligent High-Side Gate Drive
- Selectable Coast or Dynamic Brake on Power Down
- Adjustable Dead Time for Cross-Conduction Protection
- Selectable Fast or Slow Current-Decay Modes
- Internal PWM Peak Current Control
- Reset/Coast Input
- 120°Hall Commutation with Internal Pullup
- Internal 5-V Regulator
- Low-Side Synchronous Rectification
- Direction Control
- PWM Speed-Control Input
- Fault-Diagnostic Output
- Under-Voltage Protection
規格
以下是所選零件的基本參數,涉及零件的特性及其所屬類別。
ECCN (US) | EAR99 | Part Status ! | Obsolete |
HTS | 8542330001 | SVHC | Yes |
Automotive | Yes | Type | Motor Driver |
Motor Type | Brushless DC Motor | Minimum Operating Supply Voltage (V) | 5.5 |
Maximum Operating Supply Voltage (V) | 50 | Minimum Operating Temperature (°C) | -40 |
Maximum Operating Temperature (°C) | 150 | Packaging ! | Tray |
Mounting | Surface Mount | Package Height | 1.4 |
Package Width | 7 | Package Length | 7 |
PCB changed | 48 | Standard Package Name | QFP |
Supplier Package | LQFP EP | Pin Count ! | 48 |
Lead Shape | Gull-wing |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等,這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is A3931KJP-T?
The A3931KJP-T is a full-bridge PWM motor driver IC designed by Allegro Microsystems. It is specifically designed for driving DC brush motors and other inductive loads in automotive and industrial applications.
How Does A3931KJP-T Work?
The A3931KJP-T works by utilizing pulse-width modulation (PWM) to drive the connected motor or inductive load. It features a full-bridge output stage to provide bidirectional control of the load, enabling precise speed and direction control of the motor. The device includes protection features such as overcurrent and thermal shutdown to ensure safe operation.
How Many Pins does A3931KJP-T have and What are the Functions of the Pinout Configuration?
The A3931KJP-T is housed in a 16-pin TSSOP (Thin Shrink Small Outline Package) package. The pinout configuration includes:
- VBB: High-Side Power Supply Voltage Pin.
- VDD: Logic Power Supply Voltage Pin.
- GND: Ground Pin.
- INA, INB: Logic Inputs for Bridge A.
- INC, IND: Logic Inputs for Bridge B.
- RT, CT: External Timing Components for Regulating PWM Switching Frequency.
- OUTA, OUTB: Outputs for Bridge A.
- OUTC, OUTD: Outputs for Bridge B.
- OCF, TSD: Fault Outputs for Overcurrent and Thermal Shutdown.
What are the Pros and Cons of A3931KJP-T?
Pros:
- High-Side Drive Capability: Allows for driving high-side switches, enabling efficient full-bridge motor control.
- Protection Features: Incorporates overcurrent and thermal shutdown protection for safe operation in harsh environments.
- Compact Package: The 16-pin TSSOP package offers a space-efficient solution for motor driver applications.
Cons:
- Application Specific: The A3931KJP-T is specifically designed for motor and inductive load control, limiting its versatility for other applications.
- Complexity: May require careful consideration of external components and system-level design for optimal performance.
Are There Any Equivalents/Alternatives to A3931KJP-T for Recommendation?
The A3932 from Allegro Microsystems is a similar full-bridge PWM motor driver IC that may serve as an alternative to the A3931KJP-T.
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