TPS65257RHAR

Mfr. #:: TPS65257RHAR
설명:: Switching Voltage Regulators 4.5-16VIN,HIGH CRNT SYNC STEP DOWN
수명 주기:: 이 제조업체의 새 제품입니다.
데이터 시트:: TPS65257RHAR 데이터 시트
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추가 정보:: TPS65257RHAR 추가 정보 TPS65257RHAR Product Details

제품 속성
속성 값

제조사:: 텍사스 인스트루먼트

제품 카테고리:: 스위칭 전압 조정기

RoHS:: Y

장착 스타일:: SMD/SMT

패키지/케이스:: VQFN-40

출력 전류:: 3 A

토폴로지:: 책임

최소 작동 온도:: - 40 C

최대 작동 온도:: + 85 C

시리즈:: TPS65257

포장:: 릴

입력 전압:: 4.5 V to 16 V

작동 온도 범위:: - 40 C to + 85 C

상표:: 텍사스 인스트루먼트

습기에 민감한:: 네

작동 공급 전류:: 600 uA

상품 유형:: 스위칭 전압 조정기

공장 팩 수량:: 2500

하위 카테고리:: PMIC - 전원 관리 IC

단위 무게:: 0.003668 oz

Tags: TPS65257, TPS6525, TPS652, TPS65, TPS6, TPS

Service Guarantees

We guarantee 100% customer satisfaction.

Quality Guarantees

We provide 90-360 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.
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we buy and manage excess electronic components, including excess inventory identified for disposal.
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Email: [email protected]

Step1:
Vacuum Packaging with PL

Step2:
Anti-Static Bag

Step3:
Packaging Boxes

TPS65257RHAR 설명

***as Instruments: 4.5v to 16v input, 3A/2A/2A output Synchronous triple buck converter with USB switch 40-VQFN -40 to 85

***et: Synchronous Step Down Converter 40-Pin VQFN EP T/R

***i-Key: IC REG BCK ADJ 3A/2A TRPL 40VQFN

***ical: Power Management IC to 40-Pin VQFN EP T/R

***p One Stop Global: Power Management IC 40-Pin VQFN EP T/R

***: TPS65257 is a power management IC with three step-down buck converters. Both high-side and low-side MOSFETs are integrated to provide fully synchronous conversion with higher efficiency. The converters are designed to simplify its application while giving the designer the option to optimize their usage according to the target application.

***INS: The converters can operate in 5-, 9-, 12- or 15-V systems. The output voltage can be set externally using a resistor divider to any value between 0.8 V and the input supply minus the resistive drops on the converter path. Each converter features enable pin that allows a delayed start-up for sequencing purposes, soft start pin that allows adjustable soft-start time by choosing the soft-start capacitor, and a current limit (RLIM) pin that enables designer to adjust current limit by selecting an external resistor and optimize the choice of inductor. All converters operate in &145;hiccup mode: Once an over-current lasting more than 10 ms is sensed in any of the converters, they will shut down for 10 ms and then the start-up sequencing will be tried again. If the overload has been removed, the converter will ramp up and operate normally. If this is not the case the converter will see another over-current event and shuts down again repeating the cycle (hiccup) until the failure is cleared. If an overload condition lasts for less than 10 ms, only the relevant converter affected will shut-down and re-start and no global hiccup mode will occur.

***AS INS: The switching frequency of the converters is set by an external resistor connected to ROSC pin. The switching regulators are designed to operate from 300 kHz to 2.2 MHz. The converters operate with 180° phase between then to minimize the input filter requirements.

***AS INSTRUMENT: All converters have peak current mode control which simplifies external frequency compensation. The device has a built-in slope compensation ramp. The slope compensation can prevent sub harmonic oscillations in peak current mode control. A traditional type II compensation network can stabilize the system and achieve fast transient response. Moreover, an optional capacitor in parallel with the upper resistor of the feedback divider provides one more zero and makes the crossover frequency over 100 kHz.

***ASI: All converters feature an automatic low power pulse PFM skipping mode which improves efficiency during light loads and standby operation, while guaranteeing a very low output ripple, allowing for a value of less than 2% at low output voltages.

***AS INSTR: The device incorporates an overvoltage transient protection circuit to minimize voltage overshoot. The OVP feature minimizes the output overshoot by implementing a circuit to compare the FB pin voltage to OVP threshold which is 109% of the internal voltage reference. If the FB pin voltage is greater than the OVTP threshold, the high side MOSFET is disabled preventing current from flowing to the output and minimizing output overshoot. When the FB voltage drops lower than the OVP lower threshold which is 107%, the high side MOSFET is allowed to turn on the next clock cycle.

***as Instruments (TI): TPS65257 features a supervisor circuit which monitors each buckâs output and the PGOOD pin is asserted once sequencing is done. The PGOOD pin is an open drain output. The PGOOD pin is pulled low when any buck converter is pulled below 85% of the nominal output voltage. The PGOOD is pulled up when all converter outputs are more than 90% of its nominal output voltage. The default reset time is 100 ms. The polarity of the PGOOD is active high.

***AS INSTRUMENT: The push button operation has been designed to allow for automatic system start when the input supply is applied or to provide an integrated ON/OFF system management without the need of additional external components. The behavior of the device will depend on the status of the INT pin (see start-up signals).

***XS: The USB switch provides up to 1-A of current as required by downstream USB devices. When the output load exceeds the current-limit threshold or a short is present, the PMU limits the output current to a safe level by switching into a constant-current mode and pulling the over current logic output low. When continuous heavy overloads and short circuits increase the power dissipation in the switch, causing the junction temperature to rise, a thermal warning protection circuit shuts off the USB switch and allows the buck converters to carry on operating.

***AS INTRUMENTS: The device implements an internal thermal shutdown to protect itself if the junction temperature exceeds 160Â°C. The thermal shutdown forces the device to stop operating when the junction temperature exceeds thermal trip threshold. Once the die temperature decreases below 140°C, the device reinitiates the power up sequence. The thermal shutdown hysteresis is 20°C.

Market price

부분 #	설명	재고	가격
TPS65257RHAR DISTI # 296-29653-1-ND	IC REG BCK ADJ 3A/2A TRPL 40VQFN RoHS: Compliant Min Qty: 1 Container: Cut Tape (CT)	2193In Stock	1000:$2.9186 500:$3.4606 100:$4.0652 10:$4.9620 1:$5.5200
TPS65257RHAR DISTI # 296-29653-6-ND	IC REG BCK ADJ 3A/2A TRPL 40VQFN RoHS: Compliant Min Qty: 1 Container: Digi-Reel®	2193In Stock	1000:$2.9186 500:$3.4606 100:$4.0652 10:$4.9620 1:$5.5200
TPS65257RHAR DISTI # 296-29653-2-ND	IC REG BCK ADJ 3A/2A TRPL 40VQFN RoHS: Compliant Min Qty: 2500 Container: Tape & Reel (TR)	Temporarily Out of Stock	2500:$2.6919
TPS65257RHAR DISTI # TPS65257RHAR	Synchronous Step Down Converter 40-Pin VQFN EP T/R - Tape and Reel (Alt: TPS65257RHAR) RoHS: Compliant Min Qty: 2500 Container: Reel	Americas - 0	2500:$2.8900 5000:$2.6900 10000:$2.6900 15000:$2.5900 25000:$2.4900
TPS65257RHAR	4.5v to 16v input, 3A/2A/2A output Synchronous triple buck converter with USB switch	5000	1000:$2.3000 750:$2.3500 500:$2.7100 250:$3.1200 100:$3.3400 25:$3.7200 10:$3.9900 1:$4.4300
TPS65257RHAR DISTI # 595-TPS65257RHAR	Switching Voltage Regulators 4.5-16VIN,HIGH CRNT SYNC STEP DOWN RoHS: Compliant	2490	1:$5.3600 10:$4.8200 100:$3.9400 250:$3.7000 500:$3.3600 1000:$2.8300 2500:$2.6900
TPS65257RHAT DISTI # 595-TPS65257RHAT	Switching Voltage Regulators 4.5-16VIN,HIGH CRNT SYNC STEP DOWN RoHS: Compliant	422	1:$6.1600 10:$5.5400 100:$4.5400 250:$4.2600 500:$3.8600 1000:$3.2600 2500:$3.0900
TPS65257RHAR	Switching Regulator, Current-mode, 4A, 2200kHz Switching Freq-Max, PQCC40 RoHS: Compliant	30000	1000:$2.6600 500:$2.8000 100:$2.9100 25:$3.0400 1:$3.2700

관련 상품

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	Mfr.#: OPA2156ID OMO.#: OMO-OPA2156ID	Operational Amplifiers - Op Amps LOW NOISE DUAL PRECISION OP AMP
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	Mfr.#: WSL1206R0200DEA OMO.#: OMO-WSL1206R0200DEA	Current Sense Resistors - SMD 1/4watt .02ohms .5%
	Mfr.#: OPA2197IDR OMO.#: OMO-OPA2197IDR	Precision Amplifiers Dual 36-V, precision, rail-to-rail input output, low offset voltage op amp<br />   8-SOIC -40 to 125
	Mfr.#: TM21R-5C-88(50) OMO.#: OMO-TM21R-5C-88-50--HIROSE	Modular Connectors / Ethernet Connectors MOD JACK CAT5E 8-8
	Mfr.#: WSL1206R0200DEA OMO.#: OMO-WSL1206R0200DEA-VISHAY-DALE	Current Sense Resistors - SMD 1/4watt .02ohms .5%
	Mfr.#: OPA2197IDR OMO.#: OMO-OPA2197IDR-TEXAS-INSTRUMENTS	IC OP AMP GP RR 10MHZ 8-SOIC
	Mfr.#: DS28E07+ OMO.#: OMO-DS28E07--MAXIM-INTEGRATED	EEPROM 1-WIRE 1KBIT EEPROM MEMORY, TO92 LF
	Mfr.#: OPA2156ID OMO.#: OMO-OPA2156ID-TEXAS-INSTRUMENTS	LINEAR OPERATIONAL (OP) AMP

유효성

재고:: Available
주문 시:: 1985
수량 입력:

TPS65257RHAR의 현재 가격은 참고용이며 최상의 가격을 원하시면 판매팀 [email protected]으로 문의 또는 다이렉트 이메일을 보내주십시오.

참고 가격(USD)

수량
단가
내선 가격

1: ~~US$5.36~~; ~~US$5.36~~

10: ~~US$4.82~~; ~~US$48.20~~

100: ~~US$3.94~~; ~~US$394.00~~

250: ~~US$3.70~~; ~~US$925.00~~

500: ~~US$3.36~~; ~~US$1 680.00~~

1000: ~~US$2.83~~; ~~US$2 830.00~~

2021년부터 반도체 공급 부족으로 인해 아래 가격은 2021년 이전 정상 가격입니다. 확인을 위해 문의를 보내주세요.

시작

TPS65257 3
TPS6525 37
TPS652 189
TPS65 1058
TPS6 3398
TPS 19465

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TPS65257RHAR

Step1:Vacuum Packaging with PL

Step2:Anti-Static Bag

Step3:Packaging Boxes

Step1:
Vacuum Packaging with PL

Step2:
Anti-Static Bag

Step3:
Packaging Boxes