My Inquiry
My Account
Texas Instruments TPS55289QWRYQRQ1
- Part No.:
- TPS55289QWRYQRQ1
- Manufacturer:
- Texas Instruments
- Package:
- 21-PowerVFQFN
- Datasheet:
-
TPS55289QWRYQRQ1.pdf
- Description:
- IC REG BUCK BOOST ADJ 5A 21VQFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,337
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
TPS55289QWRYQRQ1 from Texas Instruments is an AEC-Q100 Grade 1 (–40°C to +125°C) synchronous buck-boost DC/DC converter with integrated 4-MOSFET power stage, I²C programmability, 3.0–36V input, 0.8–22V output, and 8A average inductor current limit-designed for USB PD PPS applications in automotive infotainment and ADAS power rails.
For engineers reviewing the TPS55289QWRYQRQ1 datasheet, TPS55289QWRYQRQ1 pinout, TPS55289QWRYQRQ1 application, or TPS55289QWRYQRQ1 equivalent, this device delivers ±1% reference accuracy, programmable 200kHz–2.2MHz switching frequency, ±5% output current monitoring, cable droop compensation, and functional safety documentation support for ISO 26262-compliant system design.
Technical Context
The TPS55289QWRYQRQ1 employs average current-mode control with internal 11-bit DAC-based voltage regulation, enabling seamless mode transitions (buck → buck-boost → boost) based on VIN/VOUT relationship. Its I²C interface (100–1000 kHz) supports real-time register writes for VOUT (10 mV steps), IOUT_LIMIT (50 mA steps), spread spectrum, and fault status readback.
It integrates dual high-side/low-side MOSFETs per path (RDS(on): 11–22 mΩ), programmable soft-start (2.5–5 ms), hiccup-mode short-circuit protection (76 ms off-time), and thermal shutdown at 175°C with 20°C hysteresis-operating across automotive ambient conditions without external loop compensation components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 3.0 V to 36 V - supports direct connection to 12 V/24 V automotive battery rails with transient tolerance up to 42 V. |
| Output Voltage Range | 0.8 V to 22 V in 10 mV steps via I²C - enables precise USB PD Programmable Power Supply (PPS) compliance. |
| Max Output Current | 8 A average inductor current limit - sustains 60 W output (e.g., 12 V IN → 20 V OUT @ 3 A) with high efficiency. |
| Switching Frequency | 200 kHz to 2.2 MHz - adjustable via resistor or external sync clock to avoid EMI-sensitive bands and enable compact magnetics. |
| Reference Accuracy | ±1% over temperature - ensures stable output regulation across –40°C to +125°C junction range. |
| I²C Interface | Standard/fast-mode plus (100–1000 kHz) - supports bidirectional register access for dynamic voltage/current tuning and fault reporting. |
| Thermal Protection | 175°C shutdown with 20°C hysteresis - prevents permanent damage during sustained overload or poor heatsinking. |
Pinout & Package
TPS55289QWRYQRQ1 uses a 3.0 mm × 5.0 mm, 21-pin VQFN-HR (HotRod™ QFN) package with exposed thermal pad for enhanced power dissipation in space-constrained automotive modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| EN/UVLO | Enable & programmable UVLO input | Logic-high enable; internal 1.23 V reference allows custom input undervoltage lockout threshold with hysteresis. |
| SCL / SDA | I²C serial interface | Two-wire bus for real-time configuration of output voltage, current limit, spread spectrum, and status registers. |
| VIN / VOUT | Main power input and output terminals | High-current paths rated for 36 V max input and 22 V regulated output; require low-ESR bulk capacitance. |
| SW1 / SW2 | Buck-side and boost-side switch nodes | Connect to external inductors; drive internal high-side/low-side MOSFETs; require tight layout to minimize ringing. |
| ISP / ISN | Differential current sense inputs | Enable programmable output current limiting (up to 6.35 A) and ±5% current monitoring via external sense resistor. |
| FB/INT | Feedback input / fault indicator | Configurable as resistive divider input (external feedback) or open-drain fault signal (OVP, thermal, short-circuit). |
| BOOT1 / BOOT2 | Bootstrap supplies for high-side drivers | Each requires 0.1 µF ceramic capacitor to SWx node; critical for gate drive integrity in buck and boost phases. |
| COMP | Error amplifier output | Connects to RC compensation network; sets loop stability without external op-amp or complex compensation. |
| DITH/SYNC | Spread spectrum control / clock sync input | Capacitor sets dither frequency (±7%); external clock synchronizes switching to avoid interference in multi-rail systems. |
| PGND / AGND | Power and analog ground returns | Separate GND pins reduce noise coupling; must be joined at single point near thermal pad for optimal EMI performance. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated 4-MOSFET buck-boost topology | Eliminates external power switches and reduces BOM count; enables single-chip 60 W USB PD PPS solution. |
| Programmable cable droop compensation (CDC) | Adjusts output voltage in real time using ISP/ISN sensing to maintain target VOUT at load end across long cables. |
| Automotive-grade reliability | AEC-Q100 Grade 1 qualification, ±2000 V HBM ESD rating, and 150°C max junction temperature ensure robustness in harsh environments. |
| Flexible light-load operation | Selectable PFM or forced FPWM mode optimizes efficiency below 100 mA while maintaining low output ripple and predictable frequency. |
| Comprehensive protection suite | Includes OVP (22.5–24.5 V), hiccup-mode short-circuit, thermal shutdown, cycle-by-cycle peak current limit, and UVLO with hysteresis. |
Applications
| Car Charger | USB PD Power Delivery |
|---|---|
|
Use Scenario: In-vehicle dual-port USB-C charger delivering variable 5–20 V/3–5 A to smartphones and laptops. IC Role / Device Role / Timing Role: Primary buck-boost regulator with I²C-controlled V/I programming and real-time cable compensation. Use Value: Enables PPS compliance and maintains ±1% output accuracy despite 100–300 mΩ cable resistance under full load. |
Use Scenario: Embedded USB PD controller subsystem in automotive infotainment head unit supplying power to display and camera modules. IC Role / Device Role / Timing Role: Programmable power rail generator supporting dynamic voltage scaling and fast transient response to burst loads. Use Value: Delivers 45 W from 9 V input with 96% peak efficiency and seamless buck/boost mode transition during engine cranking dips. |
| Wireless Charging Transmitter | ADAS Camera Power Supply |
|
Use Scenario: On-board 15 W Qi wireless charging pad powered from 12 V battery with adaptive output voltage for coil driver IC. IC Role / Device Role / Timing Role: Adjustable intermediate bus converter feeding GaN half-bridge driver with precise 12–15 V regulation. Use Value: Programmable 200 kHz–2.2 MHz switching avoids interference with 110–205 kHz Qi carrier and supports compact 4.7 µH inductor. |
Use Scenario: Power supply for front-facing stereo camera module requiring stable 3.3 V/2 A with low noise and rapid load step recovery. IC Role / Device Role / Timing Role: High-efficiency buck-boost pre-regulator feeding low-noise LDO for image sensor analog supply. Use Value: Achieves <10 mVpp output ripple at 2 A load and recovers from 1 A step in <10 µs due to average current-mode control. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar buck-boost converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM61480QRTWRQ1 | Single-phase synchronous buck only (no boost capability); 3–36 V IN, 0.8–14 V OUT; no I²C interface. | Limited to step-down-only use cases; cannot support USB PD PPS or wide-output-range automotive rails. | Choose when fixed-step-down conversion suffices and cost sensitivity outweighs programmability needs. |
| MPQ4269GQ-AEC1 | 4-switch buck-boost with I²C, but 3–36 V IN / 0.8–16 V OUT, 5 A continuous, ±2% VREF accuracy, no CDC function. | Lower output voltage ceiling and reduced current capability; lacks cable droop compensation for USB PD compliance. | Consider for non-PPS automotive auxiliary rails where 16 V max output and 5 A are sufficient. |
Compared with LM61480QRTWRQ1 and MPQ4269GQ-AEC1, the TPS55289QWRYQRQ1 uniquely combines 22 V programmable output, 8 A current capability, ±1% reference accuracy, and integrated cable droop compensation-making it the only AEC-Q100 qualified option fully aligned with USB PD 3.1 PPS specifications in automotive systems.
Availability
TPS55289QWRYQRQ1 is available at Aetrix Electronics and suitable for automotive infotainment, ADAS camera power, USB PD car chargers, wireless charging transmitters, and rear lighting systems requiring stable component supply across extended temperature and long product lifecycles.
Supply support for TPS55289QWRYQRQ1 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 leader specializing in analog, embedded processing, and automotive-grade power management ICs with decades of automotive qualification expertise.
The TPS55289-Q1 product line was engineered specifically for AEC-Q100 Grade 1 automotive USB PD PPS applications-delivering programmable, high-efficiency buck-boost conversion in compact HotRod™ packaging for next-generation vehicle electrification.
FAQ
What is the maximum output voltage that can be programmed on the TPS55289QWRYQRQ1?
The TPS55289QWRYQRQ1 supports a programmable output voltage range from 0.8 V to 22 V in precise 10 mV increments via its I²C interface. This range is validated across the full –40°C to +125°C operating temperature and enables full compliance with USB PD 3.1 Programmable Power Supply (PPS) specifications. The 22 V upper limit is enforced by internal overvoltage protection set at 22.5–24.5 V.
Does the TPS55289QWRYQRQ1 support synchronization to an external clock source?
Yes, the TPS55289QWRYQRQ1 supports external clock synchronization through the DITH/SYNC pin. When an external clock signal meeting VIH ≥ 1.2 V and VIL ≤ 0.4 V is applied, the internal oscillator locks to that frequency-enabling deterministic timing alignment in multi-rail systems and eliminating beat frequencies that cause EMI peaks. This feature is documented in Section 5.5 and Figure 5-11 of the datasheet.
How does the TPS55289QWRYQRQ1 implement cable voltage droop compensation?
The TPS55289QWRYQRQ1 implements cable droop compensation using its dedicated CDC pin and ISP/ISN differential current sense inputs. By measuring output current and applying proportional voltage correction to the feedback loop, it dynamically increases VOUT to offset IR drop across the cable-achieving up to 750 mV compensation at full load. The CDC[2:0] register controls gain, and RCDC resistor sets scaling, as specified in Electrical Characteristics Table 5.5.
What protection features are integrated into the TPS55289QWRYQRQ1?
The TPS55289QWRYQRQ1 integrates output overvoltage protection (22.5–24.5 V trip), hiccup-mode short-circuit protection (76 ms off-time), thermal shutdown (175°C with 20°C hysteresis), average inductor current limit (8 A typical), cycle-by-cycle peak current limit, and programmable input UVLO. All protections are hardware-based and operate independently of I²C communication, ensuring fail-safe behavior even during firmware faults.
Is the TPS55289QWRYQRQ1 compatible with standard QFN reflow profiles?
Yes, the TPS55289QWRYQRQ1 in its 3.0 mm × 5.0 mm VQFN-HR (RYQ) package is qualified for standard lead-free reflow profiles per JEDEC J-STD-020. Its Moisture Sensitivity Level (MSL) is 2a, and peak reflow temperature is rated at 260°C for 30 seconds. The exposed thermal pad requires appropriate solder stencil design and thermal via pattern per TI's PCB Layout Guidelines (SLVSGT5, Section 8.4).
TPS55289QWRYQRQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 21-PowerVFQFN
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Step-Up/Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck-Boost
- Output Type:
- Adjustable
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 3V
- Voltage - Input (Max):
- 36V
- Voltage - Output (Min/Fixed):
- 0.8V
- Voltage - Output (Max):
- 22V
- Current - Output:
- 5A
- Frequency - Switching:
- 200kHz ~ 2.2MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
- 21-VQFN-HR (3x5)
TPS55289QWRYQRQ1 FAQ
1.How can I place an order for TPS55289QWRYQRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS55289QWRYQRQ1 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 TPS55289QWRYQRQ1 reliable?
The price and inventory of TPS55289QWRYQRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS55289QWRYQRQ1 is usually 5 days.
3.What payment methods are accepted for TPS55289QWRYQRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS55289QWRYQRQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS55289QWRYQRQ1?
TPS55289QWRYQRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS55289QWRYQRQ1 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 TPS55289QWRYQRQ1?
For technical support, including TPS55289QWRYQRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS55289QWRYQRQ1 requirements.
6.How does Aetrix verify that TPS55289QWRYQRQ1 is sourced from the original manufacturer or authorized distributors?
All TPS55289QWRYQRQ1 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 TPS55289QWRYQRQ1 meets industry standards.
7.What is the process for return or replacement of TPS55289QWRYQRQ1?
All TPS55289QWRYQRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TPS55289QWRYQRQ1, 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 TPS55289QWRYQRQ1 part is unused and in its original packaging.
Return procedure for TPS55289QWRYQRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TPS55289QWRYQRQ1 Tags
-
TPS562201DDCR
Texas Instruments
-
MC34063ABD-TR
STMicroelectronics
-
TPS561201DDCR
Texas Instruments
-
MC33063ADR
Texas Instruments
-
MC34063ADR
Texas Instruments
-
TPS560200DBVR
Texas Instruments
-
AP3012KTR-G1
Diodes Incorporated
-
TLV61048DBVR
Texas Instruments
-
AZ34063UMTR-G1
Diodes Incorporated
-
TPS562200DDCR
Texas Instruments
-
AP62300TWU-7
Diodes Incorporated
-
MC34063EBD-TR
STMicroelectronics
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
