Texas Instruments TPS610997YFFR
- Part No.:
- TPS610997YFFR
- Manufacturer:
- Texas Instruments
- Package:
- 6-UFBGA, DSBGA
- Datasheet:
-
TPS610997YFFR.pdf
- Description:
- IC REG BOOST 5V 800MA 6DSBGA
- Quantity:
- Payment:

- Shipping:

Inventory:18,558
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Product details
Overview
TPS610997YFFR from Texas Instruments is a synchronous boost converter optimized for ultra-low-power battery-powered systems, delivering fixed 5.0V output with 400nA quiescent current into VIN and 600nA into VOUT, operating from 0.7V–5.5V input, and supporting true disconnection during shutdown for memory LCD bias and optical heart rate monitor LED drivers.
For engineers reviewing the TPS610997YFFR datasheet, TPS610997YFFR pinout, TPS610997YFFR application, or TPS610997YFFR equivalent, key selection criteria include fixed 5.0V output accuracy (±2%), down-mode regulation capability, 0.8A peak switch current limit, WCSP package footprint constraints, and efficiency performance at microampere loads.
Technical Context
The TPS610997YFFR uses a hysteretic current-mode control topology to maximize light-load efficiency without requiring external compensation. It implements cycle-by-cycle overcurrent protection with 0.8A–1.25A current limit threshold and supports three operational modes: boost (VIN < VOUT − 50mV), down mode (VOUT − 50mV < VIN < VOUT + 0.5V), and pass-through (VIN > VOUT + 0.5V).
It integrates a true shutdown function that disconnects load from input via PMOS gate control, achieving ≤0.5µA shutdown current. Output voltage regulation in down mode maintains 5.0V ±2% across temperature (−40°C to 125°C) with internal EEPROM-programmed reference and 1.00V feedback reference voltage.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 5.0V ±2% (PWM mode), verified across −40°C to 125°C junction temperature |
| Quiescent Current (VIN) | 400nA typical - enables >10-year battery life in 10µA-load wearable applications |
| Quiescent Current (VOUT) | 600nA typical - critical for maintaining regulation while minimizing leakage in always-on bias rails |
| Input Voltage Range | 0.7V to 5.5V - supports single alkaline, NiMH, Li-Mn, or Li-ion cells down to near-dead voltage |
| Peak Switch Current Limit | 0.8A minimum - ensures stable 300mA output delivery from 3.3V→5V conversion |
| Efficiency @ 10µA | Up to 75% - sustains usable output power even under ultra-light sensor-bias conditions |
| Down Mode Regulation | Active when VIN > VOUT − 50mV - maintains regulated 5.0V output even as battery voltage rises above target |
| Shutdown Current | ≤0.5µA - eliminates standby drain in powered-off system states |
Pinout & Package
TPS610997YFFR is packaged in a 6-ball, 1.23mm × 0.88mm DSBGA (WCSP) with bottom-side thermal pad connected to GND. This ultra-compact package targets space-constrained wearables and compact medical sensors.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN | Power input | Accepts 0.7V–5.5V supply; connects to battery or intermediate rail; UVLO triggers at 0.7V rising threshold |
| SW | Switch node | Drives external 2.2µH inductor; handles up to 1.25A peak current; requires low-ESR ceramic output capacitor |
| EN | Enable logic input | Active-high control: ≥1.2V enables device; ≤0.4V disables with true disconnection; must not float |
| GND | Power ground | Primary return path for input, output, and switch currents; connects to WCSP thermal pad |
| VOUT | Regulated output | Delivers fixed 5.0V; supplies memory LCD bias or optical sensor LEDs; supports down-mode regulation |
| FB | Feedback terminal | Internally tied to GND for fixed-output operation; unused externally; not accessible in YFF package |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low IQ architecture | 400nA into VIN and 600nA into VOUT enable multi-year operation on coin-cell batteries in always-on sensor nodes |
| True shutdown disconnection | PMOS gate fully isolates VOUT from VIN during disable, reducing system standby current to sub-microamp levels |
| Down mode regulation | Maintains precise 5.0V output even when input exceeds 4.95V - eliminates need for external LDO post-regulation |
| Hysteretic control topology | Eliminates external compensation components and enables stable operation across wide VIN/VOUT ratios and temperature |
| Integrated OVP and thermal shutdown | 5.8V output overvoltage protection and 150°C junction thermal shutdown ensure robustness in unattended portable deployments |
Applications
| Memory LCD Bias Supply | Optical Heart Rate Monitor |
|---|---|
Use Scenario: Powering segment-based memory LCDs in smart watches and fitness trackers requiring stable 5V bias with <1mA load. IC Role / Device Role / Timing Role: Primary DC-DC boost regulator providing fixed 5.0V rail; operates in burst mode during display idle periods. Use Value: 75% efficiency at 10µA extends coin-cell battery life beyond 3 years while maintaining display contrast across full battery discharge curve. | Use Scenario: Driving green/IR LEDs in wrist-worn PPG sensors where LED pulse current demands tight voltage regulation and minimal quiescent drain. IC Role / Device Role / Timing Role: Constant-voltage LED bias source; enters down mode during high-VIN battery charge cycles to avoid overvoltage stress. Use Value: Fixed 5.0V output accuracy (±2%) ensures consistent LED intensity; 400nA IQ preserves signal-to-noise ratio in low-duty-cycle measurement windows. |
| Wearable Health Sensor Hub | Low-Power Wireless Transceiver Bias |
Use Scenario: Supplying analog front-end (AFE) and microcontroller peripherals in compact biosensor patches powered by single Li-Mn cells. IC Role / Device Role / Timing Role: System power manager delivering regulated 5V to mixed-signal circuitry; transitions seamlessly between boost, down, and pass-through modes. Use Value: Down-mode operation maintains 5.0V output as cell voltage rises from 3.0V to 4.2V, eliminating voltage droop-induced ADC errors during data acquisition. | Use Scenario: Providing clean 5V supply to BLE or Zigbee transceivers during brief TX bursts while sustaining ultra-low sleep current. IC Role / Device Role / Timing Role: High-efficiency pulsed power source; delivers up to 300mA peak current with 93% efficiency at 200mA load. Use Value: 0.8A peak switch current limit supports 250mA RF PA pulses; 93% efficiency minimizes thermal rise in sealed plastic enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar boost converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS610994YFFR | Fixed 3.3V output; identical IQ, package, and functional modes | Suitable for 3.3V logic or MCU core rails instead of 5V bias rails | Select when system requires lower output voltage and higher light-load efficiency at 3.3V |
| TPS610996YFFR | Fixed 4.5V output; same quiescent current and down-mode capability | Used in intermediate bias rails for analog circuits needing margin below 5V | Choose for applications requiring tighter regulation headroom before LDO post-regulation |
Compared with TPS610997YFFR, TPS610994YFFR provides 3.3V output with identical ultra-low IQ and package, making it ideal for logic-supply applications, while TPS610996YFFR offers 4.5V output for analog subsystems needing reduced dropout margin - both retain full down-mode and shutdown functionality but require voltage-specific PCB layout adjustments.
Availability
TPS610997YFFR is available at Aetrix Electronics and suitable for memory LCD bias, optical heart rate monitor LED drivers, wearable health sensor hubs, and low-power wireless transceiver bias requiring stable component supply across long-lifecycle consumer electronics programs.
Supply support for TPS610997YFFR 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, designing and manufacturing analog and embedded processing chips for industrial, automotive, and personal electronics markets.
The TPS61099x product line was engineered specifically for ultra-low-power portable devices powered by primary or rechargeable batteries, emphasizing multi-year operation, miniature packaging, and seamless transition between boost/down/pass-through modes.
FAQ
What is the output voltage tolerance of the TPS610997YFFR across temperature and load?
The TPS610997YFFR delivers a fixed 5.0V output with ±2% accuracy in PWM mode across −40°C to 125°C junction temperature and full load range. At 25°C, typical output is 5.00V; measured deviation remains within 4.90V–5.10V under all recommended operating conditions, including down-mode operation where VIN exceeds VOUT.
Does the TPS610997YFFR require external feedback resistors for its fixed 5.0V output?
No, the TPS610997YFFR does not require external feedback resistors. Its 5.0V output is factory-programmed via internal EEPROM; the FB pin is internally connected to GND in fixed-output versions and must remain unconnected on the PCB. This eliminates resistor matching errors and saves board space in compact designs.
How does the TPS610997YFFR behave when input voltage exceeds 5.0V?
When VIN exceeds 4.95V (VOUT − 50mV), the TPS610997YFFR automatically enters down mode to maintain regulated 5.0V output. If VIN rises above 5.5V (VOUT + 0.5V), it transitions to pass-through mode where VOUT ≈ VIN − (IL × DCRL + IL × RDS(on)). The device resumes boost mode only after VIN falls below 4.9V.
What is the minimum startup input voltage for the TPS610997YFFR?
The TPS610997YFFR can start up from as low as 0.7V input with a load impedance greater than 3kΩ. Below this threshold, insufficient gate drive prevents proper switching initiation. Startup time varies with input voltage and output capacitance - typically 5–20ms to reach 5.0V with 10µF output capacitor and no load.
Is the WCSP package of the TPS610997YFFR compatible with standard reflow profiles?
Yes, the 1.23mm × 0.88mm YFF WCSP package is qualified for IPC/JEDEC J-STD-020D reflow profiles. Peak temperature must not exceed 260°C for ≤30 seconds, and thermal ramp rate should be limited to 3°C/s max. The bottom thermal pad must be soldered to a dedicated GND copper area using 4–6 solder paste apertures per pad for reliable thermal and mechanical attachment.
TPS610997YFFR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 6-UFBGA, DSBGA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Step-Up
- Output Configuration:
- Positive
- Topology:
- Boost
- Output Type:
- Fixed
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 0.7V
- Voltage - Input (Max):
- 5.5V
- Voltage - Output (Min/Fixed):
- 5V
- Voltage - Output (Max):
- -
- Current - Output:
- 800mA (Switch)
- Frequency - Switching:
- -
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-DSBGA
TPS610997YFFR FAQ
1.How can I place an order for TPS610997YFFR through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS610997YFFR 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 TPS610997YFFR reliable?
The price and inventory of TPS610997YFFR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS610997YFFR is usually 5 days.
3.What payment methods are accepted for TPS610997YFFR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS610997YFFR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS610997YFFR?
TPS610997YFFR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS610997YFFR 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 TPS610997YFFR?
For technical support, including TPS610997YFFR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS610997YFFR requirements.
6.How does Aetrix verify that TPS610997YFFR is sourced from the original manufacturer or authorized distributors?
All TPS610997YFFR 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 TPS610997YFFR meets industry standards.
7.What is the process for return or replacement of TPS610997YFFR?
All TPS610997YFFR units undergo pre-shipment inspection (PSI). If there is an issue with TPS610997YFFR, 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 TPS610997YFFR part is unused and in its original packaging.
Return procedure for TPS610997YFFR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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