2525 - USB POWER CONTROL SWITCHES

Allegro MicroSystems에서 제조한 전자 부품 2525은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.

2525의 기능 및 특징 중 하나는 "USB POWER CONTROL SWITCHES" 입니다.

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2525 기능

USB POWER CONTROL SWITCHES

Allegro MicroSystems

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Data Sheet 27447.1* 2525 AND 2535 USB POWER CONTROL SWITCHES A2525EM The A2525EL/M and A2535EL/M are integrated high-side power switches, optimized for self-powered and bus-powered Universal Serial Bus (USB) applications. Few external components are necessary to GATE CONTROL EN 1 8 OUT satisfy USB requirements. The A2525EL/EM ENABLE inputs are FLG 2 7 IN active high; the A2535EL/EM are active low. All devices are ideally suited for USB applications. Each switch GND 3 NC 6 NC channel supplies up to 500 mA as required by USB peripheral devices. NC 4 NC NC 5 NC YDwg. PP-070A RNote that the A2525EM (DIP) and the OA2525EL (SOIC) are electr

Contents of page 4 out of 12 pages :

2525 AND 2535 USB POWER CONTROL SWITCHES FUNCTIONAL DESCRIPTION Power switch The power switch is an N-channel MOSFET with a maximum on-state resistance of 140 mΩ (VIN = 5 V). Configured as a high-side switch, the power switch prevents current flow in either direction if disabled. The drain body diode is discon- nected from the source when the switch is OFF allowing the output voltage to exceed the input voltage without causing current conduction. The power switch supplies a minimum of 500 mA per switch. Charge pump An internal charge pump supplies power to the driver circuit and provides the necessary voltage to pull the gate of the MOSFET above the source. The charge pump operates from input voltages as low as 2.7 V. The charge pump is limited to 2.5 µA to establish a controlled turn on time of typically 1 ms. Driver The driver controls the gate voltage of the power switch. To limit large current surges and reduce the associated electromag- netic interference (EMI) produced, the driver incorporates circuitry that controls the rise times and fall times of the output voltage. The rise time is typically 1 ms. ENABLE (EN or EN) The logic enable disables the power switch and the bias for the charge pump, driver, and other circuitry to reduce the supply current to less than 5 µA maximum when a logic high is

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부품번호	상세설명 및 기능	제조사
2520-6002UB	(2500 Series) HEADER CONNECTOR	3M Interconnect Solutions
2520-60xxxx	(2500 Series) HEADER CONNECTOR	3M Interconnect Solutions

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