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MAX1922ESA+C71073
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Product Detailed Parameters
- Description：IC PWR SWITCH P-CHAN 1:1 8SOIC
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tube
- Switch Type：USB Switch
- Number of Outputs：1
- Ratio - Input:Output：1:01
- Output Configuration：High Side
- Output Type：P-Channel
- Interface：On/Off
- Voltage - Load：2.7V ~ 5.5V
- Voltage - Supply (Vcc/Vdd)：2.7V ~ 5.5V
- Current - Output (Max)：1A
- Rds On (Typ)：70mOhm
- Input Type：Non-Inverting
- Features：-
- Fault Protection：Current Limiting (Fixed), Over Temperature, UVLO
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：8-SOIC
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Grade：-
- Qualification：-
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Overview
The MAX1922ESA+C71073 is a single-channel, high-side power switch designed for USB and portable applications. It features a low on-resistance of 70mΩ and provides current limiting with built-in fault blanking. The device operates within an input voltage range of 2.7V to 5.5V. It offers precise current limit settings ranging from 1.4A to 2.1A. Maximum on-time is 200us, while maximum off-time is 20us. The component is housed in an 8-pin SOIC package and supports operation temperatures down to -40°C.
Feature Summary
- Integrates current-limited switching with built-in fault blanking for robust protection
- Provides accurate preset current limiting between 1.4A and 2.1A
- Features low on-resistance for efficient power delivery in portable systems
Applications
- USB port power switching
- Portable electronic devices
- Current-limited load switching
Procurement Notes
Verify the exact part number suffix C71073 against official Analog Devices documentation to confirm specific tape-and-reel or tube packaging configurations. Ensure the ordering code matches the required temperature grade and package variant. Cross-reference manufacturer datasheets for any updates regarding lead times or compliance status before finalizing procurement orders.
Selection Notes
Select this component when a single-channel high-side switch with integrated current limiting and fault blanking is required. It is suitable for applications needing precise current control between 1.4A and 2.1A. Consider the 70mΩ on-resistance for efficiency needs. Verify compatibility with 2.7V to 5.5V supply rails and ensure the 8SOIC package fits the design constraints.
Part Context
This part belongs to the MAX1922 family of current-limited switches by Maxim Integrated, now part of Analog Devices. These components are engineered for protecting downstream loads in USB and portable electronics. The series emphasizes reliability through fault blanking and precise current regulation, addressing common issues in high-side switching applications.
Replacement Considerations
Consult official substitution lists for direct replacements. Generic equivalents may not match the specific 70mΩ resistance or 1.4A-2.1A current limit precision. Verify pinout and electrical characteristics carefully before swapping.
