TPS25221DBVR(類比晶片)

NTD $5

NTD $4

IC - 嵌入式電腦

0.275-2.7A adj. ILIMIT, 2.5-5.5V, 70mΩ USB power switch, active-high, reverse blocking

規格描述

2.5-V to 5.5-V V_OPERATING
Pin-to-Pin with TPS2553
2-A I_{CONT_MAX}
0.275-A to 2.7-A Adjustable I_LIMIT (±6.5% at 1.7 A)
70-mΩ (typical) R_ON
1.5-µs Short Circuit Response
8-ms Fault Reporting Deglitch
Reverse Current Blocking (when disabled)
Built-In Soft Start
UL 60950 and UL 62368 Recognition
15-kV ESD Protection per IEC 61000-4-2 (with external capacitance)

The TPS25221 is intended for applications where heavy capacitive loads and short circuits may be encountered. The programmable current-limit threshold maybe set between 275 mA and 2.7 A (typical) using an external resistor. I_LIMIT accuracy as tight as ±6% can be achieved at the higher current-limit settings. Power-switch rise and fall times are controlled to minimize current surges during turn on and turn off.

When a load attempts to draw current exceeding the programmed I_LIMIT the internal FET enters constant current mode in order to keep I_LOAD at or below I_LIMIT. The FAULT output will assert low during over-current conditions after the built in de-glitch time.

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info@minddeeptech.com

27404618

03-5579757

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TPS25221DBVR(類比晶片)

NTD $5

NTD $4

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