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MAX4821ETP+
+BOMIC PWR DRIVER N-CHAN 1:8 20TQFN
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Nhà sản xuấtAnalog Devices Inc./Maxim tích hợp
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Ông. Phần #MAX4821ETP+
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Có sẵn8078
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Part Status | Active |
| Switch Type | Relay, Solenoid Driver |
| Number of Outputs | 8 |
| Ratio - Input: Output | 1:8 |
| Output Configuration | Low Side |
| Output Type | N-Channel |
| Interface | Parallel |
| Voltage - Load | 2.3V ~ 5.5V |
| Current - Output (Max) | 70mA |
| Rds On (Typ) | 2Ohm |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
| Supplier Device Package | 20-TQFN (4x4) |
| Package / Case | 20-WFQFN Exposed Pad |
| Base Product Number | MAX4821 |
Tổng quan
Description
With its low power consumption and robust design, the MAX4821ETP+ is suitable for applications such as industrial automation, building management systems, and any scenario requiring reliable relay control. The "+" in its name signifies the lead-free and RoHS-compliant packaging, aligning with environmental regulations. Overall, the MAX4821ETP+ offers a compact and reliable solution for controlling multiple relays and managing loads effectively in various electronic systems.
Equivalent
Features
1. Relay Control: Capable of managing eight relays with integrated, low-side DMOS switches.
2. Low Supply Voltage: Operates with a supply voltage range of 7.5V to 60V.
3. Serial Interface: Utilizes a serial interface for data input, reducing the number of required I/O pins.
4. Wide Operating Temperature: Suitable for temperatures ranging from -40°C to +125°C, ideal for industrial applications.
5. Efficiency: Features internal free-wheeling diodes to protect against voltage spikes and enhance efficiency.
6. Diagnostic Capabilities: Provides open-load and short-circuit detection to facilitate fault monitoring.
7. Package: Available in a 20-pin TSSOP package, which is compact and space-saving.
These features make the MAX4821ETP+ suitable for applications requiring efficient relay control with built-in protection and diagnostic functions.
Pinout
Pin Count:
- The MAX4821ETP+ has 28 pins.
Key Functions:
- Serial Interface: The device uses a serial interface to receive data which determines the state of the outputs.
- Relay Control: It can control up to 16 relays or other high-current loads.
- Output Drivers: Each output is an open-drain driver capable of sinking up to 70mA, suitable for driving relay coils.
- Protection Features: The IC includes features like overcurrent protection and thermal shutdown to ensure reliable operation.
- Diagnostic Feedback: It provides feedback on the status of each output, helping detect open or shorted loads.
- Daisy Chaining: Multiple devices can be daisy-chained to expand the number of controlled outputs using the same serial interface.
This IC is suitable for applications requiring multiple relay controls from a microcontroller or other digital control logic with limited output pins.
Manufacturer
Application
1. Industrial Automation: Controls relays and actuators in factory automation systems.
2. Telecommunications: Manages line switching and signal routing.
3. Building Management Systems: Operates relays for HVAC, lighting, and security systems.
4. Test and Measurement Equipment: Facilitates the operation of automated test systems.
5. Home Appliances: Controls motors, solenoids, and other high-power components.
6. Energy Management: Utilized in smart grid and power distribution systems.
These areas benefit from its capability to manage multiple relays with integrated protection features.