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Texas Instruments TPS62088AYFPJ
- Part No.:
- TPS62088AYFPJ
- Manufacturer:
- Texas Instruments
- Package:
- 6-VFBGA, DSBGA
- Datasheet:
-
TPS62088AYFPJ.pdf
- Description:
- IC REG BUCK ADJ 3A 6DSBGA
- Quantity:
- Payment:
- Shipping:
Inventory:11,890
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Product details
Overview
TPS62088AYFPJ from Texas Instruments is a forced-PWM, synchronous step-down DC-DC converter delivering up to 3 A output current with 4 MHz switching frequency, 1% output voltage accuracy, and 4 µA quiescent current. It operates from 2.4 V to 5.5 V input and supports adjustable output voltages from 0.6 V to 4.0 V, targeting space-constrained embedded power rails in portable electronics.
For engineers reviewing the TPS62088AYFPJ datasheet, TPS62088AYFPJ pinout, TPS62088AYFPJ application, or TPS62088AYFPJ equivalent, key selection criteria include its forced-PWM CCM operation for low ripple, 0.8 mm × 1.2 mm × 0.5 mm YFP WCSP package, integrated 26 mΩ/26 mΩ MOSFETs, active output discharge, and power-good signaling - all critical for battery-powered wearable and camera module designs requiring stable light-load regulation and minimal board area.
Technical Context
The TPS62088AYFPJ implements DCS-Control topology with adaptive constant on-time modulation, enabling seamless transition between PWM and power-save modes - though forced-PWM operation locks it into continuous conduction mode across full load range. Its 4 MHz fixed-frequency operation allows use of sub-1 µH inductors and compact ceramic capacitors while maintaining tight load transient response and <1% output voltage regulation.
It integrates undervoltage lockout (2.2 V threshold), thermal shutdown (150 °C), hiccup-mode short-circuit protection, and 100% duty-cycle low-dropout capability. The open-drain PG pin provides power-good status with 92–110% output voltage window detection and 1 mA sink capability, supporting rail sequencing in multi-converter systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 2.4 V to 5.5 V - supports single-cell Li-ion, Li-polymer, and 3.3 V/5 V system rails without external LDO pre-regulation. |
| Output Current | Up to 3 A - enables direct powering of high-current digital cores, image sensors, or RF transceivers in compact form factors. |
| Switching Frequency | 4 MHz - permits use of 0.24 µH inductors and small 10 µF ceramic output capacitors, reducing solution size below 12 mm². |
| Quiescent Current | 4 µA - minimizes standby power loss in always-on subsystems such as sensor hubs or real-time clocks. |
| Output Voltage Accuracy | ±1% - ensures reliable logic-level compliance for 1.2 V, 1.8 V, or 3.3 V I/O domains without post-regulation trimming. |
| Package Dimensions | 0.8 mm × 1.2 mm × 0.5 mm - wafer chip-scale package (YFP, DSBGA-6) optimized for embedding beneath PCB components or in ultra-thin modules. |
| MOSFET RDS(on) | 26 mΩ high-side / 26 mΩ low-side - reduces conduction losses and thermal rise at 3 A, enabling >95% peak efficiency at mid-load. |
Pinout & Package
TPS62088AYFPJ uses a 6-pin wafer chip-scale package (YFP, DSBGA) with 0.4 mm pitch and 0.8 mm × 1.2 mm body size. The package is 0.5 mm tall and designed for embedding in space-constrained applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| EN | Enable input | Active-high logic control; requires ≥1.0 V to enable, ≤0.4 V to disable; internal pull-down not provided - must be actively driven or externally pulled. |
| VIN | Power input | Primary input supply connection (2.4–5.5 V); decoupling capacitor must be placed adjacent to minimize high-frequency loop inductance. |
| PG | Power-good open-drain output | Signals valid output regulation (96–105% VFB); requires external pullup to ≤5.5 V rail; sinks up to 1 mA when asserted low. |
| SW | Switch node | Connection to external inductor; carries high di/dt switching current - layout must minimize trace length and loop area to reduce EMI. |
| FB | Feedback input | Resistive divider input for adjustable output; internal reference is 600 mV - sets VOUT = 0.6 V × (1 + R1/R2). |
| GND | Ground reference | Power and signal ground return; must be connected to low-impedance PCB plane with multiple vias to support high-frequency return currents. |
Key Features
| Feature | Design Value |
|---|---|
| Forced-PWM operation | Maintains continuous conduction mode across entire load range, eliminating audible noise and ensuring predictable 4 MHz ripple spectrum for RF-sensitive circuits. |
| DCS-Control topology | Delivers <1% load transient deviation and fast recovery (<10 µs) without external compensation components - simplifies design and improves stability margin. |
| Active output discharge | Internally discharges VOUT via SW pin when EN is low, preventing floating outputs and ensuring safe power sequencing in multi-rail systems. |
| 100% duty cycle mode | Enables dropout as low as IOUT × RDS(on), extending usable battery life by regulating down to input voltages only ~30 mV above VOUT. |
| Hiccup short-circuit protection | Enters 128 µs auto-restart cycle after 32 overcurrent events - prevents thermal runaway during sustained fault conditions without latching off. |
Applications
| Wearable Sensor Hub | Smartphone Camera Module |
|---|---|
Use Scenario: Powering always-on inertial measurement unit (IMU), environmental sensor array, and BLE radio in wrist-worn devices with strict height and thermal constraints. IC Role / Device Role / Timing Role: Primary buck regulator supplying 1.8 V to sensor interface and 3.3 V to RF transceiver via resistive feedback configuration. Use Value: 4 µA quiescent current extends battery life beyond 7 days in sleep mode; 0.5 mm profile enables placement under display stack-up. | Use Scenario: Delivering clean, low-noise 1.2 V core power to high-resolution image signal processor (ISP) and 2.8 V analog bias to CMOS image sensor in smartphone rear camera assemblies. IC Role / Device Role / Timing Role: Synchronous step-down converter operating in forced-PWM mode to suppress switching noise coupling into analog pixel readout paths. Use Value: 4 MHz switching frequency shifts noise spectrum away from critical baseband frequencies; ±1% accuracy ensures ISP logic timing compliance. |
| Solid-State Drive (SSD) Controller Rail | Optical Transceiver Module |
Use Scenario: Generating 1.0 V core voltage for NAND flash controller ASIC in M.2 and U.2 SSDs where thermal density and board area are tightly constrained. IC Role / Device Role / Timing Role: High-efficiency, high-current buck converter with power-good signaling used for power sequencing with FPGA and DRAM rails. Use Value: 3 A capability supports burst-mode controller loads; PG output coordinates reset assertion with host interface initialization. | Use Scenario: Providing regulated 3.3 V supply to laser driver IC and 1.2 V to DSP core in SFP+ and QSFP28 optical modules with <0.6 mm total height requirement. IC Role / Device Role / Timing Role: Embedded DC-DC converter mounted directly on optical sub-assembly (OSA) PCB to minimize voltage drop and EMI coupling into high-speed data lanes. Use Value: 0.8 mm × 1.2 mm footprint fits within OSA keep-out zones; 100% duty cycle maintains regulation during brownout events caused by hot-plug insertion. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar synchronous buck converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS62088YFP | PFM/PWM auto-mode variant; enters power-save mode below ~100 mA, increasing light-load efficiency but introducing variable-frequency operation. | Better suited for applications with highly dynamic load profiles and no RF sensitivity, e.g., general-purpose microcontroller rails. | Select TPS62088YFP if lowest quiescent current across wide load range is prioritized over fixed-frequency noise control. |
| TPS62089AYFP | Forced-PWM variant with 2 A current rating and identical package; shares same control architecture and pinout but lower ILIM (3.3 A typical vs. 4.3 A). | Targeted at lower-power camera modules or sensor nodes where 2 A headroom suffices and thermal budget is tighter. | Choose TPS62089AYFP when 2 A output meets system requirements and reduced thermal dissipation simplifies thermal management. |
Compared with TPS62088YFP, TPS62088AYFPJ offers deterministic 4 MHz ripple and superior transient response at light loads, while TPS62089AYFP trades 1 A output capability for lower junction temperature rise - making TPS62088AYFPJ optimal for 3 A, noise-sensitive, always-on embedded rails.
Availability
TPS62088AYFPJ is available at Aetrix Electronics and suitable for wearable electronics, smartphone camera modules, solid-state drives, and optical transceiver modules requiring stable component supply, long-term lifecycle support, and consistent wafer-level packaging performance.
Supply support for TPS62088AYFPJ includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor company headquartered in Dallas, Texas, specializing in analog, embedded processing, and power management technologies with over 90 years of innovation in high-reliability silicon design.
The TPS62088 family belongs to TI's high-frequency, ultra-small-footprint DC-DC converter product line, engineered specifically for embedded power delivery in space- and height-constrained portable electronics where efficiency, regulation accuracy, and thermal performance must coexist within sub-12 mm² layouts.
FAQ
What is the maximum output current supported by the TPS62088AYFPJ?
The TPS62088AYFPJ supports up to 3 A of continuous output current under recommended operating conditions (TJ ≤ 125 °C). Its internal high-side and low-side MOSFETs each have 26 mΩ RDS(on), enabling efficient operation at this rating. For sustained 3 A operation, thermal design must ensure junction temperature remains within limits - lifetime is reduced if operated continuously above 85 °C junction temperature.
Does the TPS62088AYFPJ require an external feedforward capacitor?
No, the TPS62088AYFPJ does not require an external feedforward capacitor (C4). As a forced-PWM device, it operates exclusively in continuous conduction mode and omits the need for feedforward compensation used in adjustable PFM/PWM variants like TPS62088YFP. This simplifies the BOM and layout for fixed-frequency applications.
What is the function of the PG pin on the TPS62088AYFPJ?
On the TPS62088AYFPJ, the PG (power-good) pin is an open-drain output that signals valid output regulation. It goes high-impedance when FB voltage is between 96% and 105% of nominal, and pulls low when outside that window (e.g., <92% or >110%). It sinks up to 1 mA and requires an external pullup resistor to a rail ≤5.5 V - commonly used for power-rail sequencing with other converters or system processors.
Can the TPS62088AYFPJ operate with a 2.4 V input and 1.8 V output?
Yes, the TPS62088AYFPJ fully supports 2.4 V input and 1.8 V output operation. With its 100% duty-cycle capability and low RDS(on), it maintains regulation even at minimal input-to-output differential. At this condition, efficiency remains >85% across 100 mA–2 A load range per typical characterization curves, and soft-start ensures controlled ramp-up without inrush issues.
Is the TPS62088AYFPJ pin-compatible with other members of the TPS62088x family?
Yes, the TPS62088AYFPJ shares identical 6-pin YFP (DSBGA) package, pinout, and footprint with TPS62088YFP, TPS6208812YFP, and TPS6208818YFP. All variants use the same EN/VIN/PG/SW/FB/GND arrangement and mechanical dimensions (0.8 mm × 1.2 mm × 0.5 mm), enabling drop-in replacement in existing layouts when functional requirements align - though electrical behavior (e.g., PFM vs. forced-PWM) differs.
TPS62088AYFPJ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- DCS-Control™
- Package/Case:
- 6-VFBGA, DSBGA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck
- Output Type:
- Adjustable
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 2.4V
- Voltage - Input (Max):
- 5.5V
- Voltage - Output (Min/Fixed):
- 0.6V
- Voltage - Output (Max):
- 4V
- Current - Output:
- 3A
- Frequency - Switching:
- 4MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-DSBGA (1.2x0.8)
TPS62088AYFPJ FAQ
1.How can I place an order for TPS62088AYFPJ through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS62088AYFPJ on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TPS62088AYFPJ reliable?
The price and inventory of TPS62088AYFPJ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS62088AYFPJ is usually 5 days.
3.What payment methods are accepted for TPS62088AYFPJ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS62088AYFPJ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS62088AYFPJ?
TPS62088AYFPJ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS62088AYFPJ order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TPS62088AYFPJ?
For technical support, including TPS62088AYFPJ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS62088AYFPJ requirements.
6.How does Aetrix verify that TPS62088AYFPJ is sourced from the original manufacturer or authorized distributors?
All TPS62088AYFPJ products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TPS62088AYFPJ meets industry standards.
7.What is the process for return or replacement of TPS62088AYFPJ?
All TPS62088AYFPJ units undergo pre-shipment inspection (PSI). If there is an issue with TPS62088AYFPJ, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TPS62088AYFPJ part is unused and in its original packaging.
Return procedure for TPS62088AYFPJ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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