My Inquiry
My Account
Texas Instruments TPS61200DRCR
- Part No.:
- TPS61200DRCR
- Manufacturer:
- Texas Instruments
- Package:
- 10-VFDFN Exposed Pad
- Datasheet:
-
TPS61200DRCR.pdf
- Description:
- IC REG BOOST ADJ 1.2A 10VSON
- Quantity:
- Payment:
- Shipping:
Inventory:7,702
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
TPS61200DRCR 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 up to 600 mA at 5 V output (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 fuel-cell-powered portable medical devices and audio players.
For engineers reviewing the TPS61200DRCR datasheet, TPS61200DRCR pinout, TPS61200DRCR application, or TPS61200DRCR equivalent, key selection considerations include its 0.5-V startup capability, programmable UVLO threshold (250 mV typical), Power Save mode control via PS pin, and dual-ground (GND/PGND) layout requirement for stable high-efficiency operation across 0.3–5.5 V input range.
Technical Context
The TPS61200DRCR implements average current-mode PWM control with input/output voltage feedforward for fast transient response. Its three-NMOS synchronous topology enables continuous conduction mode operation and automatic transition between boost and down-conversion modes when VIN ≥ VOUT - critical for maintaining regulation during battery discharge or LED driving where input may exceed output.
It integrates undervoltage lockout (UVLO) with 250 mV falling threshold, thermal shutdown at 140°C with 20°C hysteresis, and short-circuit protection active under all operating conditions. The VAUX pin supplies internal control circuitry and supports soft-start by charging before enabling VOUT, limiting inrush current without external timers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 0.3 V to 5.5 V - enables direct operation 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 FB pin) - supports wide system rail requirements including 3.3 V and 5 V logic or analog supplies. |
| Switch Current Limit | 1350 mA typical average - sets maximum sustainable input power and defines peak load capability under low-VIN conditions. |
| Feedback Reference | 500 mV ±5 mV - determines output accuracy when using external resistor divider; enables precise VOUT programming. |
| Quiescent Current | 70 μA typical (PS = Low) - ensures minimal battery drain in always-on portable applications with light-load duty cycles. |
| Switching Frequency | 1.25 MHz to 1.65 MHz - allows use of small external inductors (e.g., 2.2 μH) and ceramic capacitors for compact PCB layout. |
| UVLO Threshold | 250 mV falling, 350 mV rising - provides hysteresis to prevent oscillation during battery voltage sag and recovery. |
Pinout & Package
TPS61200DRCR is housed in a thermally enhanced 10-pin VSON package (3.00 mm × 3.00 mm) with exposed thermal pad soldered to PGND for optimal power dissipation and mechanical reliability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VAUX (Pin 1) | Auxiliary supply output/input | Provides regulated ~2.4–5.5 V for internal control circuitry; must be decoupled externally; enables soft-start sequence before VOUT activation. |
| VOUT (Pin 2) | Regulated output | Main power rail output; capable of sourcing up to 600 mA at 5 V; disconnected from input during shutdown. |
| L (Pin 3) | Inductor connection | Connects to external boost inductor; carries high-frequency switching current; requires low-inductance routing to PGND. |
| PGND (Pin 4) | Power ground | Return path for high-current switches and L pin; must be connected to PCB ground plane with low impedance; separate from GND. |
| VIN (Pin 5) | Main input supply | Accepts 0.3–5.5 V battery or energy-harvesting source; feeds both power stage and VAUX via internal regulator. |
| EN (Pin 6) | Enable control input | Active-high digital enable; disables converter and disconnects load from input when low; must not be left floating. |
| UVLO (Pin 7) | Undervoltage monitor input | Programmable UVLO threshold via external resistor divider; prevents operation below safe battery voltage (e.g., 2.6 V for Li-ion). |
| PS (Pin 8) | Power Save mode control | Low = enable Power Save (variable frequency); High = forced fixed-frequency operation; critical for optimizing light-load efficiency. |
| GND (Pin 9) | Control ground | Reference for EN, PS, UVLO, FB pins and internal logic; must connect to PGND at single point near GND pin to avoid noise coupling. |
| FB (Pin 10) | Feedback input | Monitors output voltage via external resistor divider; sets VOUT = 500 mV × (1 + R1/R2); shorted to VOUT for fixed-output variants. |
Key Features
| Feature | Design Value |
|---|---|
| Startup into full load at 0.5 V input | Enables immediate operation from deeply discharged primary cells or energy-harvesting sources without pre-charging. |
| Automatic boost/down-conversion mode transition | Maintains regulation even when VIN exceeds VOUT (e.g., Li-ion at 4.2 V powering 3.3 V rail), eliminating need for external buck-boost ICs. |
| Load disconnect during shutdown | Prevents reverse current flow and battery drain when disabled; isolates VOUT completely from VIN and PGND. |
| Synchronous rectification with 150 mΩ main switch | Reduces conduction losses vs. diode-based boost converters, sustaining >90% efficiency at 300 mA/3.3 V (VIN ≥2.4 V). |
| Programmable UVLO with hysteresis | Allows custom battery cutoff thresholds (e.g., 2.8 V for NiMH) while avoiding chatter during voltage recovery transients. |
| Overtemperature protection with 20°C hysteresis | Shuts down at 140°C junction temperature and resumes only after cooling to 120°C - prevents thermal runaway in sealed enclosures. |
Applications
| Portable Medical Sensors | Single-Cell Li-ion Audio Players |
|---|---|
Use Scenario: Wearable glucose monitor powered by CR2032 coin cell with intermittent BLE transmission. IC Role / Device Role: Primary DC-DC regulator generating stable 3.3 V rail from 2.0–3.0 V battery voltage. Use Value: 0.5 V startup and 70 μA quiescent current extend battery life beyond 6 months; load disconnect prevents sensor drift during sleep mode. |
Use Scenario: MP3 player using single 3.7 V Li-ion cell to power 3.3 V DAC and 5 V amplifier stages. IC Role / Device Role: Dual-rail power manager providing 3.3 V logic and 5 V analog supply with seamless VIN-to-VOUT crossover. Use Value: Automatic down-conversion mode maintains regulation as battery discharges from 4.2 V to 3.0 V, eliminating need for discrete LDOs. |
| Fuel Cell–Powered IoT Nodes | White LED Backlight for PDAs |
Use Scenario: Remote environmental sensor node powered by micro-fuel cell delivering 0.6–1.2 V output. IC Role / Device Role: Ultra-low-VIN boost converter stepping up fuel cell voltage to 3.3 V system rail. Use Value: 0.3 V minimum input and synchronous 1.3-A switches achieve >85% efficiency at 100 mA, maximizing energy harvest utilization. |
Use Scenario: Handheld PDA requiring constant-current white LED backlight driven from 3.6 V nominal battery. IC Role / Device Role: Boost controller supplying 18–24 V to LED string via external current-sense FET. Use Value: Adjustable FB reference and 500 mV feedback accuracy ensure stable LED brightness across battery discharge curve. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar synchronous boost converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS61201DRCR | Fixed 3.3 V output; identical pinout, package, and electrical specs except FB pin tied internally to VOUT. | Eliminates external resistor divider but lacks output flexibility; suitable only for fixed 3.3 V systems. | Select TPS61201DRCR when board space is constrained and 3.3 V is the sole required output voltage. |
| MAX17062ETA+ | Higher 2-MHz switching frequency; lower 25 μA quiescent current; requires external MOSFETs; no integrated down-conversion mode. | Better suited for ultra-thin devices needing smallest inductors; cannot regulate when VIN ≥ VOUT without additional circuitry. | Choose MAX17062ETA+ only if minimizing solution size outweighs loss of automatic VIN/VOUT crossover capability. |
Compared with TPS61201DRCR, the TPS61200DRCR offers design flexibility through adjustable output voltage but requires two external resistors; compared with MAX17062ETA+, it trades slightly higher quiescent current for integrated down-conversion, eliminating external components and simplifying layout for battery-powered systems with variable input-output relationships.
Availability
TPS61200DRCR is available at Aetrix Electronics and suitable for portable medical sensors, single-cell Li-ion audio players, fuel cell–powered IoT nodes, and white LED backlighting requiring stable component supply with guaranteed long-term manufacturability.
Supply support for TPS61200DRCR 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 over 50 years of innovation in energy-efficient power conversion.
The TPS6120x product line was engineered specifically for ultra-low-input-voltage battery and energy-harvesting applications - targeting portable electronics, wearables, and remote sensors where startup below 1 V and high light-load efficiency are mandatory.
FAQ
What is the minimum input voltage required for TPS61200DRCR to start up and deliver regulated output?
The TPS61200DRCR starts up and delivers regulated output from as low as 0.5 V input voltage - verified per datasheet Section 8.5. This enables reliable operation from nearly depleted alkaline, NiMH, or Li-ion cells, and makes TPS61200DRCR suitable for energy-harvesting applications such as fuel cells or solar cells with highly variable open-circuit voltages.
How does the TPS61200DRCR handle situations where input voltage exceeds output voltage?
The TPS61200DRCR automatically transitions into Down Conversion mode when VIN reaches or exceeds VOUT - a unique feature among synchronous boost converters. In this mode, it regulates output by controlling voltage drop across internal synchronous rectifiers rather than boosting, allowing stable 3.3 V or 5 V rails from a fully charged 4.2 V Li-ion cell without external buck circuitry.
Can the TPS61200DRCR be used without an external resistor divider on the FB pin?
No - the TPS61200DRCR is the adjustable-output variant and requires an external resistor divider connected between VOUT and FB to set the desired output voltage. The FB pin expects a 500 mV reference; omitting the divider will result in undefined or unregulated output. Fixed-output versions like TPS61201DRCR tie FB internally to VOUT and do not require external resistors.
What is the purpose of the separate GND and PGND pins on the TPS61200DRCR?
GND serves as the reference for control circuitry (EN, PS, UVLO, FB), while PGND carries high-frequency, high-current return paths for the power switches and inductor. Separating them prevents ground bounce and noise coupling into sensitive analog control loops. Both must connect to the PCB ground plane at a single point near the GND pin - a critical layout requirement for stable TPS61200DRCR operation.
Does the TPS61200DRCR provide overcurrent protection, and how does it behave under short-circuit conditions?
Yes - the TPS61200DRCR includes average inductor current limiting (1350 mA typical) and short-circuit protection active under all operating conditions. During output short-circuit, it reduces the current limit to protect itself and the application; during startup, it monitors VOUT ramp rate and holds low current limit if voltage fails to rise above 1.2 V, preventing damage from sustained overload.
TPS61200DRCR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 10-VFDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- 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)
TPS61200DRCR FAQ
1.How can I place an order for TPS61200DRCR through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS61200DRCR 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 TPS61200DRCR reliable?
The price and inventory of TPS61200DRCR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS61200DRCR is usually 5 days.
3.What payment methods are accepted for TPS61200DRCR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS61200DRCR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS61200DRCR?
TPS61200DRCR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS61200DRCR 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 TPS61200DRCR?
For technical support, including TPS61200DRCR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS61200DRCR requirements.
6.How does Aetrix verify that TPS61200DRCR is sourced from the original manufacturer or authorized distributors?
All TPS61200DRCR 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 TPS61200DRCR meets industry standards.
7.What is the process for return or replacement of TPS61200DRCR?
All TPS61200DRCR units undergo pre-shipment inspection (PSI). If there is an issue with TPS61200DRCR, 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 TPS61200DRCR part is unused and in its original packaging.
Return procedure for TPS61200DRCR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TPS61200DRCR 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…
