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Product Detailed Parameters
- Description:IC PWR DRIVER N-CHAN 1:8 20TSSOP
- Series:-
- Mfr:Analog Devices Inc./Maxim Integrated
- Package:Tube
- Switch Type:Relay, Solenoid Driver
- Number of Outputs:8
- Ratio - Input:Output:1:08
- Output Configuration:Low Side
- Output Type:N-Channel
- Interface:Parallel, Serial
- Voltage - Load:2.3V ~ 5.5V
- Voltage - Supply (Vcc/Vdd):-
- Current - Output (Max):70mA
- Rds On (Typ):2Ohm
- Input Type:-
- Features:-
- Fault Protection:-
- Operating Temperature:-40°C ~ 85°C (TA)
- Mounting Type:Surface Mount
- Supplier Device Package:20-TSSOP-EP
- Package / Case:20-TSSOP (0.173", 4.40mm Width) Exposed Pad
- Grade:-
- Qualification:-
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Overview
The MAX4821EUP+ is an octal MOSFET power driver featuring eight independent output channels in a 20-pin TSSOP package. It operates with a supply voltage range of 2.3V to 5.5V and supports both serial and parallel interfaces. The device provides low-side N-channel outputs capable of driving loads up to 70mA per channel. It includes built-in kickback protection for inductive load handling and features cascadable architecture for expanded system control.
Feature Summary
- Eight independent low-side N-channel output drivers
- Supports serial and parallel interface configurations
- Built-in kickback protection for inductive loads
- Cascadable design for multi-device expansion
Applications
- Relay driver circuits
- MOSFET gate driving applications
- Inductive load switching systems
Procurement Notes
Verify the component status as sources indicate this part may be discontinued or in final shipment phases. Confirm the specific suffix (+) denotes RoHS compliance and lead-free construction. Ensure the 20-pin TSSOP package matches your PCB footprint requirements before procurement.
Selection Notes
Select this component when an octal driver with cascadable capability is required for +3.3V or +5V logic systems. It is suitable for applications needing parallel or serial control of multiple inductive loads. Consider the 70µA quiescent current and 100V input tolerance if interfacing with higher voltage domains via external circuitry.
Part Context
This device belongs to the Maxim Integrated relay driver family, designed for controlling multiple relays or MOSFETs from a single controller. It simplifies board layout by integrating drive and protection functions into a compact surface-mount package, reducing component count compared to discrete solutions.
Replacement Considerations
The MAX4820EUP+ is a related variant within the same product family. Verify pinout compatibility and specific electrical parameter differences before substitution. Check official documentation for any functional distinctions between the EUP and other suffixes.
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