Model No: AOZ8902CIL

Alpha & Omega Semiconductor Inc. AOZ8902CIL

Manufacturer: Alpha & Omega Semiconductor Inc.
SEMICON NO.: AOZ8902CIL
Package: SOT-23-6
Stock: In stock
Description: IC Clamp Ipp Tvs Diode 4-Channel
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 Mfr       Alpha & Omega Semiconductor Inc. 
 Device Type    4-Channel TVS Diode Array / ESD Protection Diode    
 Number of Channels / Lines   4    
 Operating Voltage   3.3 V or 5 V
 Working Voltage (Max)   5.5 V    
 Clamping Voltage   < 10 V
 Low Insertion Loss     Yes    
 ESD Protection      ±15 kV (Air Discharge) / ±8 kV (Contact Discharge) 
 Operating Temperature -
 Package SOT-23-6
 Mounting Type Surface Mount
 Compliance    
 RoHS Compliant
 
The AOZ8902CIL is a dual-channel, high-side N-channel MOSFET load switch from Alpha & Omega Semiconductor, housed in a compact 10-pin 3x3mm DFN package. It integrates two independent, low-resistance power switches with built-in current limiting, over-temperature protection, and adjustable slew rate control, providing a highly integrated solution for load distribution and fault protection in battery-powered and bus-powered portable systems.
‌Key Features and Highlights
● ‌Dual Independent Power Channels:‌ Integrates two fully independent high-side MOSFET switches in a single package, each with its own enable pin and fault flag, enabling simultaneous control of two separate power rails while saving board space.
‌● Ultra-Low On-Resistance:‌ Features a maximum 18mΩ RDS(ON) per channel, minimizing conduction losses and voltage drop, supporting up to 2A continuous current per channel for powering microcontrollers, sensors, and peripheral modules.
‌● Programmable Current Limit:‌ Each channel supports adjustable current limiting via an external resistor, enabling precise overcurrent protection tailored to specific load requirements and preventing system-level fault propagation.
‌● Adjustable Slew Rate Control:‌ Features configurable turn-on slew rate via external capacitors, allowing designers to suppress inrush current for capacitive loads and reduce power bus voltage droop during hot-plug events.
‌● Comprehensive Fault Protection:‌ Integrates over-temperature shutdown, short-circuit protection, and active output discharge, with open-drain fault flag pins to alert the host MCU of fault conditions for enhanced system reliability.
‌Application Scenarios
This load switch is optimized for compact, battery-powered device power distribution. Its primary applications include:
● ‌Portable Consumer Electronics:‌ Distributes power to peripherals like camera modules, touchscreens, and sensors in smartphones, tablets, and portable media players, enabling selective power gating to extend battery life.
‌● USB-Powered Devices:‌ Implements per-port power distribution and overcurrent protection for USB 2.0/3.0 hub ports, docking stations, and USB charger multi-port controllers, complying with USB power delivery specifications.
‌● Wearable and IoT Devices:‌ Switches power to individual functional blocks in smartwatches, fitness trackers, and small sensor nodes, reducing total standby power consumption by cutting off inactive sub-circuits.
‌● Industrial Handheld Terminals:‌ Provides robust power rail management for scanners, data collectors, and field instruments, protecting internal circuits from short-circuit and overcurrent damage.
Compatible Alternative power distribution IC List
‌1. AOZ8904CIL:‌ A four-channel version of the same architecture with identical per-channel specs, offering more independent load control channels in a similar package footprint.
2‌. TPS25922:‌ A dual-channel 2.7V-18V eFuse load switch from Texas Instruments, featuring more precise current sensing and higher voltage capability for industrial power distribution.
‌3. MP5015:‌ A dual-channel 18V load switch from Monolithic Power Systems, offering lower RDS(ON) and higher current capability for higher-power distribution systems.
‌4. RT9742:‌ A dual-channel high-side load switch from Richtek, featuring auto-restart fault handling and adjustable current limit as a cost-effective cross-vendor alternative.