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Texas Instruments TPS61232DRCT
- Part No.:
- TPS61232DRCT
- Manufacturer:
- Texas Instruments
- Package:
- 10-VFDFN Exposed Pad
- Datasheet:
-
TPS61232DRCT.pdf
- Description:
- IC REG BOOST 5V 5A 10VSON
- Quantity:
- Payment:
- Shipping:
Inventory:2,176
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Product details
Overview
TPS61232DRCT from Texas Instruments is a fixed 5-V synchronous step-up DC-DC converter optimized for single-cell Li-Ion battery and 3.3-V rail applications. It delivers up to 2.1 A output current at 5 V with 2.3–5.5 V input range, 96% peak efficiency, and integrated 5-A power switch in a 3 mm × 3 mm VSON-11 package - used in USB power supplies and portable power banks.
For engineers reviewing the TPS61232DRCT datasheet, TPS61232DRCT pinout, TPS61232DRCT application, or TPS61232DRCT equivalent, key selection criteria include its fixed 5-V output, 2-MHz switching frequency, power-good signaling, load disconnect during shutdown, and thermal/overvoltage protection - all critical for compact, high-efficiency boost designs.
Technical Context
The TPS61232DRCT employs quasi-constant on-time valley current mode control, enabling fast transient response and stable operation across 2.3–5.5 V input without external compensation. It automatically transitions between PWM (2 MHz) at medium/heavy loads and PFM for light-load efficiency.
Its functional block includes integrated high- and low-side MOSFETs (75 mΩ RDS(on) each), programmable soft-start via SS pin, adjustable EN threshold/hysteresis using HYS pin, and open-drain PG output referenced to 90–95% of nominal VOUT.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 5.0 V ±2% (PWM mode); ensures stable USB-compliant supply without feedback divider. |
| Input Voltage Range | 2.3 V to 5.5 V - supports full discharge of single-cell Li-Ion (2.7–4.2 V) and regulated 3.3-V rails. |
| Max Output Current | 2.1 A at 5 V out from 3.3 V in - enables high-current portable charging without external current limiting. |
| Switching Frequency | 2 MHz typical - allows use of small 1-µH inductors and compact ceramic capacitors for minimal PCB area. |
| Peak Efficiency | 96% at VIN = 3.6 V, IOUT = 1 A - minimizes thermal rise and extends battery runtime in power-constrained devices. |
| Shutdown Current | 1.5 µA typical - ensures negligible battery drain when system is off, critical for always-on backup units. |
| Power Good Threshold | 90–93% of VOUT (low), 93–95% (high) - provides reliable system reset and sequencing control. |
Pinout & Package
TPS61232DRCT uses a 3 mm × 3 mm × 0.9 mm VSON-11 package with wettable flanks, optimized for thermal performance and automated optical inspection.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| SW (Pins 1,2) | Power switch node | Connects to inductor and internal 5-A synchronous FETs; requires low-inductance layout to minimize EMI and voltage spikes. |
| VOUT (Pins 3,4) | Boost output | Delivers regulated 5-V output; dual pins reduce IR drop and improve current handling for 2.1-A loads. |
| PG (Pin 5) | Power good indicator | Open-drain output signals valid regulation; requires external pull-up ≤5.5 V for host processor monitoring. |
| SS (Pin 6) | Soft-start timing | Controls output ramp rate via external capacitor; prevents inrush current during startup or wake-up events. |
| FB (Pin 7) | Feedback reference | Internally tied to 1.0 V reference for fixed 5-V operation; no external resistor divider required. |
| HYS (Pin 8) | Enable hysteresis control | Configures UVLO threshold and hysteresis using external resistors; enables custom power-up/down sequencing. |
| EN (Pin 9) | Enable logic input | Active-high digital control (1.15–1.23 V threshold); must be terminated to avoid false enable/disable. |
| VIN (Pin 10) | Main input supply | Accepts 2.3–5.5 V; connects to input capacitor bank and battery or rail source. |
| GND (Pin 11) | Power ground | Common return for power and signal paths; requires low-impedance connection to thermal pad for heat dissipation. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated 5-A power switch | Enables 2.1-A output at 5 V from 3.3-V input without external MOSFETs or gate drivers. |
| Load disconnect in shutdown | True isolation between VIN and VOUT eliminates reverse current and standby leakage in battery systems. |
| Output overvoltage protection | Halts switching at 5.7–6.2 V and resumes only after 0.15-V hysteresis - protects downstream 5-V ICs. |
| Thermal shutdown with hysteresis | Shuts down at 150°C junction temperature and restarts at 130°C - prevents sustained overheating in enclosed enclosures. |
| 2-MHz constant-frequency PWM | Ensures predictable EMI profile and simplifies filtering; maintains regulation even under wide VIN/VOUT ratios. |
Applications
| USB Power Delivery Adapter | Portable Power Bank |
|---|---|
Use Scenario: Step-up conversion from 3.3-V system rail or single-cell Li-Ion to stable 5-V USB output for charging smartphones and peripherals. IC Role / Device Role / Timing Role: Primary synchronous boost regulator providing regulated 5-V output with power-good signaling for host controller coordination. Use Value: Delivers 2.1 A at 96% efficiency with 2-MHz switching, enabling compact adapter designs with minimal heatsinking and fast transient response to load steps. | Use Scenario: Battery-backed 5-V output stage in multi-cell or single-cell power banks, supporting simultaneous device charging and display backlighting. IC Role / Device Role / Timing Role: High-current boost converter managing battery-to-5V conversion while maintaining load disconnect during sleep mode. Use Value: 1.5-µA shutdown current preserves battery capacity during storage; integrated OVP and thermal protection ensure safety compliance for consumer portable devices. |
| Industrial Handheld Meter | Tablet PC Auxiliary Rail |
Use Scenario: Generating clean 5-V supply for microcontroller, display, and sensor interfaces in battery-operated handheld test equipment. IC Role / Device Role / Timing Role: Core power management IC delivering regulated 5-V rail with precise enable control and power-good status for system boot sequencing. Use Value: Adjustable EN hysteresis (via HYS pin) enables customized brown-in/out thresholds matching meter's low-power wake-up requirements. | Use Scenario: Providing auxiliary 5-V rail for USB peripherals, camera modules, or audio codecs in tablet PCs powered by 3.3-V main SoC supply. IC Role / Device Role / Timing Role: Secondary boost converter supplying isolated 5-V domain with soft-start control to prevent system reset during hot-plug events. Use Value: Programmable soft-start (SS pin) eliminates inrush-induced voltage droop on shared 3.3-V rail, ensuring stable operation of primary SoC. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar synchronous boost converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS61230DRC | Adjustable output (2.5–5.5 V) via external FB divider; no internal resistor network. | Requires two external resistors for 5-V setting; lacks internal 1.0-V reference tie used in TPS61232DRCT. | Select when design needs flexible output voltage or future voltage scaling capability. |
| MT3608EN | 2-A max output, 1.2-MHz fixed frequency, no PG or OVP; external compensation required. | No power-good signaling, no overvoltage protection, and no thermal shutdown - demands additional discrete protection circuitry. | Select only for cost-sensitive, non-safety-critical applications where full protection features are omitted. |
Compared with TPS61232DRCT, TPS61230DRC offers voltage flexibility at the cost of BOM count and layout complexity, while MT3608EN reduces integration and protection - making TPS61232DRCT optimal for robust, production-ready 5-V boost applications requiring minimal external components and built-in safety.
Availability
TPS61232DRCT is available at Aetrix Electronics and suitable for USB power supplies, portable power banks, and industrial handheld meters requiring stable component supply, long-term lifecycle support, and consistent parametric performance.
Supply support for TPS61232DRCT 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 high-efficiency DC-DC conversion.
The TPS6123x product line was designed specifically for space-constrained, battery-powered applications needing high-current 5-V boost with minimal external components - targeting portable electronics, wearables, and industrial IoT edge devices.
FAQ
What is the output voltage accuracy of the TPS61232DRCT under PWM mode?
The TPS61232DRCT delivers 5.0 V output with ±2% accuracy under PWM mode, specified as 4.9 V to 5.1 V across –40°C to 125°C junction temperature and full input range. This tight tolerance ensures compatibility with USB 2.0/3.0 host and peripheral ICs without additional regulation stages.
Does the TPS61232DRCT require external feedback resistors to set its 5-V output?
No, the TPS61232DRCT does not require external feedback resistors. It integrates an internal resistor divider that fixes the feedback reference to 1.0 V, resulting in a precise 5.0-V output. The FB pin is internally connected and must not be externally biased - unlike the adjustable TPS61230DRC or TPS61231DRC variants.
How does the TPS61232DRCT handle thermal overload conditions?
The TPS61232DRCT enters thermal shutdown at 150°C junction temperature and remains latched off until the die cools to approximately 130°C, providing 20°C hysteresis. During shutdown, it ceases switching, disables PG output, and draws only 1.5 µA from VIN - protecting both itself and downstream circuitry in enclosed or high-ambient environments.
Can the TPS61232DRCT operate with input voltages higher than its 5-V output?
Yes, the TPS61232DRCT supports zero-duty-cycle mode when VIN is within 0.24 V of VOUT (i.e., 4.76–5.24 V). In this mode, the high-side FET remains fully on, passing input directly to output with minimal dropout - enabling seamless transition from boost to pass-through operation without external OR-ing circuitry.
What is the purpose of the HYS pin on the TPS61232DRCT?
The HYS pin on the TPS61232DRCT allows external programming of the EN pin's undervoltage lockout (UVLO) threshold and hysteresis using two resistors. This enables custom power-up sequencing and brown-out recovery behavior - for example, configuring asymmetric turn-on (2.5 V) and turn-off (2.3 V) points to prevent oscillation near battery depletion.
TPS61232DRCT 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:
- Fixed
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 2.3V
- Voltage - Input (Max):
- 5.5V
- Voltage - Output (Min/Fixed):
- 5V
- Voltage - Output (Max):
- -
- Current - Output:
- 5A (Switch)
- Frequency - Switching:
- 2MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-VSON (3x3)
TPS61232DRCT FAQ
1.How can I place an order for TPS61232DRCT through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS61232DRCT 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 TPS61232DRCT reliable?
The price and inventory of TPS61232DRCT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS61232DRCT is usually 5 days.
3.What payment methods are accepted for TPS61232DRCT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS61232DRCT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS61232DRCT?
TPS61232DRCT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS61232DRCT 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 TPS61232DRCT?
For technical support, including TPS61232DRCT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS61232DRCT requirements.
6.How does Aetrix verify that TPS61232DRCT is sourced from the original manufacturer or authorized distributors?
All TPS61232DRCT 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 TPS61232DRCT meets industry standards.
7.What is the process for return or replacement of TPS61232DRCT?
All TPS61232DRCT units undergo pre-shipment inspection (PSI). If there is an issue with TPS61232DRCT, 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 TPS61232DRCT part is unused and in its original packaging.
Return procedure for TPS61232DRCT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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