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Texas Instruments TPS61200DRCTG4
- Part No.:
- TPS61200DRCTG4
- Manufacturer:
- Texas Instruments
- Package:
- 10-VFDFN Exposed Pad
- Datasheet:
-
TPS61200DRCTG4.pdf
- Description:
- IC REG BOOST ADJ 1.2A 10VSON
- Quantity:
- Payment:
- Shipping:
Inventory:4,913
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Product details
Overview
TPS61200DRCTG4 from Texas Instruments is an adjustable-output synchronous boost converter IC designed for ultra-low-input-voltage battery-powered systems. It operates from 0.3 V to 5.5 V input, delivers 1.8 V to 5.5 V output, supports up to 600 mA at 5 V (VIN ≥ 3 V), features automatic boost/down-conversion mode transition, and integrates 1.3-A synchronous switches in a 3 mm × 3 mm VSON-10 package - used in single-cell Li-ion, alkaline, or energy-harvesting applications like portable medical devices.
For engineers reviewing the TPS61200DRCTG4 datasheet, TPS61200DRCTG4 pinout, TPS61200DRCTG4 application, or TPS61200DRCTG4 equivalent, key selection considerations include its 0.5 V startup capability, <55 μA quiescent current, programmable UVLO, load disconnect during shutdown, and Power Save mode control via PS pin - critical for optimizing runtime in low-power embedded designs.
Technical Context
The TPS61200DRCTG4 implements average-current-mode PWM control with input/output voltage feedforward for fast transient response. Its three-NMOS synchronous topology enables high efficiency across wide VIN–VOUT ratios and supports seamless transition between boost and down-conversion modes when VIN ≥ VOUT.
It integrates dual ground separation (GND for control logic, PGND for power switching), internal thermal shutdown (140°C trip), overvoltage protection (5.5–7 V), and soft-start with prebias capability. The FB pin accepts external resistor divider for precise output programming, while VAUX supplies the control stage independently.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 0.3 V to 5.5 V - enables operation directly from partially discharged single-cell batteries (e.g., down to 0.5 V at startup). |
| Output Voltage Range | 1.8 V to 5.5 V - adjustable via external resistor divider on FB pin; supports common system rails including 3.3 V and 5 V. |
| Switch Current Limit | 1200–1500 mA average - limits inductor current to protect internal MOSFETs and maintain stable regulation under heavy loads. |
| Quiescent Current | <55 μA - minimizes battery drain in standby, critical for multi-year battery life in IoT and wearable devices. |
| Switching Frequency | 1250–1650 kHz - fixed-frequency PWM enables predictable EMI filtering and compact external component sizing. |
| Feedback Reference | 495–505 mV - precise internal reference ensures ±1% output accuracy with proper resistor tolerance selection. |
| UVLO Threshold | 235–265 mV (falling), 330–370 mV (rising) - programmable via external divider to prevent brownout operation of downstream circuitry. |
Pinout & Package
TPS61200DRCTG4 is housed in a thermally enhanced 3 mm × 3 mm VSON-10 package (DRC) with exposed thermal pad soldered to PGND for optimal power dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VAUX | Auxiliary supply output | Provides regulated ~2.5 V to charge internal control circuitry before enabling VOUT; must be decoupled externally. |
| VIN | Main input supply | Connects to battery or energy source; supports 0.3 V minimum for cold-start capability. |
| VOUT | Regulated output | Delivers boosted or down-converted voltage; load disconnect occurs during shutdown. |
| EN | Enable input | Active-high logic control (VIH = 1.2 V min); floating not allowed - requires pull-up or direct MCU drive. |
| PS | Power Save mode control | Low = enable Power Save (variable frequency), High = force fixed-frequency operation (PS = High disables Power Save). |
| FB | Feedback input | Connects to resistor divider for adjustable output; tied directly to VOUT for fixed-output variants (not applicable to TPS61200). |
| UVLO | Undervoltage lockout input | Accepts resistive divider from VIN or system rail to set custom shutdown threshold; leave unconnected only if unused. |
| L | Inductor connection | High-current node for external boost inductor; requires low-ESR layout and Kelvin connection to PGND. |
| GND | Control ground | Reference for EN, PS, UVLO, FB; must connect to PGND at single point near GND pin to avoid noise coupling. |
| PGND | Power ground | Return path for L, VOUT, and internal switches; connects to exposed thermal pad for thermal and electrical performance. |
Key Features
| Feature | Design Value |
|---|---|
| Startup into full load at 0.5 V input | Enables reliable power-up from deeply discharged primary cells or supercapacitors without external bias. |
| Automatic boost/down-conversion mode | Eliminates need for external buck-boost ICs when VIN crosses VOUT - simplifies BOM and improves system efficiency near VOUT. |
| Load disconnect during shutdown | Prevents reverse current flow and battery leakage; isolates VOUT completely from VIN when EN = low. |
| Programmable undervoltage lockout | Allows system-level brownout protection tuning via external resistor divider on UVLO pin - avoids premature cutoff. |
| Overtemperature and short-circuit protection | Thermal shutdown (140°C) and adaptive current limiting ensure robust operation under fault conditions without external components. |
Applications
| Portable Medical Sensors | Energy-Harvesting Wireless Nodes |
|---|---|
Use Scenario: Wearable glucose monitor powered by a single AAA alkaline cell with 10-year shelf life requirement. IC Role / Device Role / Timing Role: Primary DC-DC regulator providing stable 3.3 V to microcontroller, BLE radio, and analog front-end while operating down to 0.5 V input. Use Value: Ultra-low quiescent current (<55 μA) and 0.5 V startup extend usable battery life beyond 24 months in intermittent-sensing mode. | Use Scenario: Solar-powered soil moisture sensor transmitting data hourly using LoRaWAN. IC Role / Device Role / Timing Role: Power management IC converting variable 0.4–2.8 V solar cell output to regulated 3.3 V for MCU and RF transceiver. Use Value: 0.3 V minimum input and automatic down-conversion allow continuous operation even under low-light or partial shading conditions. |
| White LED Backlight Driver | Single-Cell Li-ion Portable Audio |
Use Scenario: Compact handheld ultrasound probe requiring uniform brightness from 3 white LEDs in series (VF ≈ 9.6 V). IC Role / Device Role / Timing Role: Boost converter generating 10 V from 3.0–4.2 V Li-ion cell, with current-mode control for LED current stability. Use Value: Synchronous 1.3-A switches and >90% efficiency at 300 mA reduce thermal load and eliminate need for heatsinking in sealed enclosure. | Use Scenario: Bluetooth speaker powered by one 3.7 V Li-ion cell, requiring 5 V for Class-D amplifier and 3.3 V for digital audio processor. IC Role / Device Role / Timing Role: Primary boost stage delivering 5 V to amplifier; second-stage LDO derives 3.3 V from TPS61200DRCTG4 output. Use Value: Load disconnect during shutdown prevents battery drain through amplifier bias networks - essential for multi-week standby time. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar boost converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS61201DRCT | Fixed 3.3 V output; identical pinout, package, and specs except FB pin tied internally to VOUT. | No external feedback divider required; unsuitable for adjustable or non-3.3 V outputs. | Select when system requires only 3.3 V and board space savings from omitted resistors justify fixed-output constraint. |
| TPS61099YFFR | Lower IQ (300 nA), smaller 6-pin WSON, but max output current limited to 400 mA and no down-conversion mode. | Better for ultra-low-power always-on sensors; lacks VIN ≥ VOUT regulation needed for Li-ion discharge tracking. | Choose for sub-μA standby applications where peak current ≤400 mA and VIN never exceeds VOUT - e.g., coin-cell RTC backup. |
Compared with TPS61201DRCT, TPS61200DRCTG4 offers design flexibility via adjustable output but requires two external resistors; compared with TPS61099YFFR, it trades higher quiescent current for higher output current, down-conversion capability, and wider input range - making it superior for dynamic battery-powered systems.
Availability
TPS61200DRCTG4 is available at Aetrix Electronics and suitable for portable medical devices, energy-harvesting wireless nodes, white LED backlight drivers, and single-cell Li-ion audio systems requiring stable component supply across long production lifecycles.
Supply support for TPS61200DRCTG4 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 power management technologies with decades of expertise in battery-powered system solutions.
The TPS6120x product line was engineered specifically for ultra-low-input-voltage boost conversion in space-constrained, battery-operated applications - emphasizing startup reliability, efficiency across load ranges, and integrated protection features.
FAQ
What is the minimum input voltage required for TPS61200DRCTG4 to start up and deliver regulated output?
The TPS61200DRCTG4 starts up and delivers regulated output from as low as 0.5 V input voltage - a key feature enabling operation from nearly depleted primary cells or low-output energy harvesters. This is achieved via dedicated VAUX charge circuitry that powers internal control logic before enabling VOUT. Startup behavior is confirmed in TI's SLVS577E datasheet Section 8.5 and Figure 2.
Does TPS61200DRCTG4 support automatic transition between boost and buck-like operation?
Yes, TPS61200DRCTG4 automatically transitions into Down Conversion mode when input voltage reaches or exceeds the programmed output voltage - for example, regulating 3.3 V output from a 3.6 V Li-ion cell. In this mode, internal synchronous switches adjust conduction to maintain regulation without external components. This behavior is documented in Section 10.3.1.2 of the SLVS577E datasheet.
How does the PS pin affect TPS61200DRCTG4 efficiency and switching behavior?
The PS pin controls Power Save mode: when pulled low, TPS61200DRCTG4 enters variable-frequency operation at light loads to maintain >85% efficiency down to 100 μA; when held high, it forces fixed-frequency PWM (1.25–1.65 MHz) for predictable EMI. Note that Down Conversion mode always enables Power Save regardless of PS state - verified in Section 10.4.1 and Table 6 of SLVS577E.
Can TPS61200DRCTG4 safely drive a capacitive load of 1000 μF at its VOUT pin?
Yes, TPS61200DRCTG4 incorporates soft-start with controlled current ramp-up and prebias capability, allowing safe startup into large capacitive loads like 1000 μF. Its current limit increases proportionally with rising VOUT (reaching full 1500 mA only near nominal output), preventing inrush damage. This is explicitly validated in Section 10.3.1.4 and Figure 14 of the SLVS577E datasheet.
What thermal management guidance applies to TPS61200DRCTG4 in high-current applications?
For high-current operation (>400 mA), TI specifies RθJA = 41.2°C/W for the DRC package - meaning 1 W dissipation raises junction temperature by ~41°C above ambient. To ensure reliability, the exposed thermal pad must be soldered to a minimum 100 mm² copper pour connected to PGND. Thermal shutdown activates at 140°C with 20°C hysteresis, per Section 8.5 Electrical Characteristics in SLVS577E.
TPS61200DRCTG4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 10-VFDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Function:
- Step-Up
- Output Configuration:
- Positive
- Topology:
- Boost
- Output Type:
- Adjustable
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 0.3V
- Voltage - Input (Max):
- 5.5V
- Voltage - Output (Min/Fixed):
- 1.8V
- Voltage - Output (Max):
- 5.5V
- Current - Output:
- 1.2A (Switch)
- Frequency - Switching:
- 1.25MHz ~ 1.65MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-VSON (3x3)
TPS61200DRCTG4 FAQ
1.How can I place an order for TPS61200DRCTG4 through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS61200DRCTG4 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 TPS61200DRCTG4 reliable?
The price and inventory of TPS61200DRCTG4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS61200DRCTG4 is usually 5 days.
3.What payment methods are accepted for TPS61200DRCTG4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS61200DRCTG4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS61200DRCTG4?
TPS61200DRCTG4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS61200DRCTG4 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 TPS61200DRCTG4?
For technical support, including TPS61200DRCTG4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS61200DRCTG4 requirements.
6.How does Aetrix verify that TPS61200DRCTG4 is sourced from the original manufacturer or authorized distributors?
All TPS61200DRCTG4 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 TPS61200DRCTG4 meets industry standards.
7.What is the process for return or replacement of TPS61200DRCTG4?
All TPS61200DRCTG4 units undergo pre-shipment inspection (PSI). If there is an issue with TPS61200DRCTG4, 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 TPS61200DRCTG4 part is unused and in its original packaging.
Return procedure for TPS61200DRCTG4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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