Image is for your reference only,please check specifications for details
Updated at 17/06/2025 10:30:15(UTC+8)
Certifications
ManyChip is committed to product quality and safety with ISO 9001, ISO 13485, ISO 45001, UL, RoHS, CQC and REACH certifications.
Description
- The TPS51427 is a dual synchronous step-down controller designed for notebook and mobile communications applications. This device is part of a low-cost suite of notebook power bus regulators that enables system designs with low external component counts. The TPS51427 includes two pulse-width-modulation (PWM) controllers, SMPS1 and SMPS2. The output of SMPS1 can be adjusted from 0.7 V to 5.9 V, while the output of SMPS2 can be adjusted from 0.5 V to 2.5 V. This device also features a low-dropout (LDO) regulator that provides a 5-V/3.3-V output, or adjustable from 0.7-V to 4.5-V output via LDOREFIN. The fixed-frequency emulated adaptive on-time control supports seamless operation between PWM mode under heavy load conditions and reduced frequency operation at light loads for high-efficiency down to the milliampere range. An integrated boost switch enhances the high-side MOSFET to further improve efficiency. The main control loop is the D-CAP mode that is optimized for low equivalent series resistance (ESR) output capacitors such as POSCAP or SP-CAP. Advanced ramp compensation minimizes jitter without degrading line and load regulation. RDS(on) current sensing methods offers maximum cost saving.
- The TPS51427 supports supply input voltages that range from 5.5 V to 28 V. It is available in the 32-pin, 5-mm × 5-mm QFN package (Green, RoHs- compliant, and Pb-free). The device is specified from -40°C to +85°C.
- Fixed-Frequency Emulated On-Time Control; Frequency Selectable from Three Options
- D-CAP™ Mode Enables Fast Transient Response Less than 100 ns
- Advanced Ramp Compensation Allows Low Output Ripple with Minimal Jitter
- Selectable PWM-Only/OOA/Auto-Skip Modes
- Wide Input Voltage Range: 5.5 V to 28 V
- Dual Fixed or Adjustable SMPS:
- 0.7 V to 5.9 V (Channel1)
- 0.5 V to 2.5 V (Channel2)
- Fixed 3.3-V/5-V, or Adjustable Output 0.7-V to 4.5-V LDO; Capable of Sourcing 100 mA
- Fixed 3.3-VREF Output Capable of Sourcing 10 mA
- Temperature Compensated Low-Side RDS(on) Current Sensing
- Adaptive Gate Drivers with Integrated Boost Switch
- Bootstrap Charge Auto Refresh
- Integrated Soft Start, Tracking Soft Stop
- Independent PGOOD and EN for Each Channel
- APPLICATIONS
- Notebook I/O and System Bus Rails
- Graphics Application
- PDAs and Mobile Communication Devices
- D-CAP, OOA are trademarks of Texas Instruments
- All other trademarks are the property of their respective owners
TPS51427 Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Mounting Style | Surface Mount |
| Case/Package | QFN-32 |
| Show | |
| RoHS | RoHS Compliant |
| Lead-Free Status | Lead Free |
Order guide
-
TT in advance (bank transfer), Western Union, Credit card,
PayPal. Customer is responsible for shipping fee, bank
charges, duties and taxes.
-
- You can choose whether shipping charges will be charged through your shipping account or by us.
- Please confirm with the logistics company in advance for remote areas.
(Additional charges ($35-$50) may apply for delivery in these areas)
- Delivery date: usually 2 to 7 working days.
- A tracking number will be sent after your order ships.
- - Carefully inspected and packed by ManyChip warehouse - Vacuum packaging - Anti-static packaging - Shockproof foam
- The terms here are for reference only, the actual terms are subject to the sales quotation. - Please confirm product specifications when ordering. - MOQ refers to the minimum order quantity required to purchase each part. - If you have special ordering instructions, please indicate them on the ordering page. - Inspection (PSI) will be performed prior to shipment.
- - Income Quality Control (IQC), 1000+ qualified dealers. - Chips are tested by authoritative organizations to ensure the quality, authenticity and safety of your device. - Decapsulation control - X-ray control - XRF inspection - Electrical testing - Surface testing -Digital components warehouse, covering an area of 800 square meters, with constant temperature and humidity
Contact Us
If you have any problem,please email to sales@manychip.com, we will response as soon as possisble.
Popular Search Parts
- Recommended Parts
- Hot Parts
- Popular Parts
- Recently Popular Parts
- THGBMJG6C1LBAIL LMZ21701SILT STM32H753ZIT6 BLM21PG221SN1 SN74ALVC125D 74437324010 TFP401AIPZPRQ1 6ES73211BL000AA0 LNK304GN TNY266PN
- VEML6075 TDA1521A ACS1086S APAN3124 LUCA05BL IRGP4086 LC1D25F7 LC1D25B7 LC1D12B7 TOP256EN
- 342025 TC358743XBG 303005 468MP BC109C IRFB4227PBF STTH3003CW IRF100B201 CL10A475KL8NRNC BQ24780SRUYR
- CPDU5V0 HGTG5N120BND FZ3600R17HP4 DAN222TL DM7406M AD8227ARZ OP90GSZ IXBH40N160 ADUM1200AR ADG715BRU
SN:H0.25LO44918V43Q0QC0S0
Buy TPS51427
Please fill the information below to send RFQ quickly,and we will respond immediately.