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Texas Instruments TPS62163DSGR
- Part No.:
- TPS62163DSGR
- Manufacturer:
- Texas Instruments
- Package:
- 8-WFDFN Exposed Pad
- Datasheet:
-
TPS62163DSGR.pdf
- Description:
- IC REG BUCK 5V 1A 8WSON
- Quantity:
- Payment:
- Shipping:
Inventory:6,704
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Product details
Overview
TPS62163DSGR from Texas Instruments is a synchronous step-down DC/DC converter optimized for high-power-density applications, delivering up to 1 A output current with adjustable output voltage (0.9 V to 6 V), 3 V–17 V input range, and DCS-Control™ topology for fast transient response. It operates at ~2.25 MHz switching frequency and supports 100% duty-cycle mode for battery-powered systems requiring extended runtime.
For engineers reviewing the TPS62163DSGR datasheet, TPS62163DSGR pinout, TPS62163DSGR application, or TPS62163DSGR equivalent, key selection considerations include its 2.00 mm × 2.00 mm WSON-8 (DSG) package, 17 µA quiescent current in power save mode, open-drain power good (PG) output, seamless PWM-to-PSM transition, and compatibility with low-ESR ceramic capacitors (e.g., 22 µF output).
Technical Context
The TPS62163DSGR implements DCS-Control™ - a hybrid regulation topology combining direct output voltage sensing with internal compensation, enabling stable operation with minimal external components and fast load-step response. Its control loop uses both AC feedback (via VOS pin) and DC feedback (via FB pin) to maintain accuracy across line, load, and temperature variations.
It integrates high-side and low-side MOSFETs with RDS(on) of 300 mΩ (HS) and 120 mΩ (LS) at VIN ≥6 V, supports soft-start (25 mV/µs ramp), undervoltage lockout (2.7 V threshold with 180 mV hysteresis), thermal shutdown (160°C), and short-circuit protection with dynamic current limiting.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 3 V to 17 V - supports single/dual Li-ion batteries and standard 12-V intermediate rails without external pre-regulation. |
| Output Current | Up to 1 A continuous - sufficient for powering core logic, FPGAs, DSPs, and RF subsystems in portable electronics. |
| Switching Frequency | Typically 2.25 MHz - enables use of compact 2.2 µH inductors and reduces output ripple without increasing EMI filtering complexity. |
| Quiescent Current | 17 µA typical in power save mode - extends battery life in always-on or low-duty-cycle IoT and sensor nodes. |
| Output Voltage Accuracy | ±3% in PWM mode - ensures reliable operation of voltage-sensitive processors and memory interfaces. |
| Power Good Output | Open-drain PG with 92–98% VOUT threshold - enables precise power sequencing and system reset coordination. |
| Thermal Shutdown | 160°C with 20°C hysteresis - protects against sustained overload or poor PCB thermal design while allowing graceful recovery. |
Pinout & Package
TPS62163DSGR is housed in an 8-pin WSON package (DSG) measuring 2.00 mm × 2.00 mm with exposed thermal pad, optimized for space-constrained and thermally demanding applications. The thermal pad must be soldered to AGND for effective heat dissipation and mechanical reliability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PGND (Pin 1) | Power ground return | Low-impedance path for high-frequency switch node current; must be connected to local power plane under IC. |
| VIN (Pin 2) | Main input supply | Accepts 3–17 V; requires local 10 µF ceramic capacitor placed near pin for high-frequency decoupling. |
| EN (Pin 3) | Enable control input | Active-high logic; internal 400 kΩ pull-down allows safe default-off behavior; supports rail sequencing. |
| AGND (Pin 4) | Analog ground reference | Separate ground for feedback and control circuitry; must be tied to PGND at single point near IC. |
| FB (Pin 5) | Feedback input (adjustable mode) | Connects to resistor divider for output voltage setting; tied to AGND on fixed-output variants. |
| VOS (Pin 6) | Output voltage sense | AC-coupled path for DCS-Control™ loop; improves transient response and stability with low-ESR caps. |
| SW (Pin 7) | Switch node | Drives external 2.2 µH inductor; requires tight layout with minimal trace length to reduce EMI and switching losses. |
| PG (Pin 8) | Power good indicator | Open-drain output requiring external pull-up; signals valid VOUT within ±3% window after soft-start completion. |
Key Features
| Feature | Design Value |
|---|---|
| DCS-Control™ topology | Combines fast AC response (via VOS) and precise DC regulation (via FB) - eliminates need for external compensation and enables stable operation with 22 µF ceramic output capacitors. |
| Seamless power save mode | Automatic transition from PWM to PSM below light-load threshold - maintains >85% efficiency down to 1 mA without output voltage glitch or audible noise. |
| 100% duty-cycle operation | Enables regulation when VIN approaches VOUT (e.g., 3.6 V → 3.3 V from Li-ion) - maximizes usable battery capacity and runtime in portable devices. |
| Integrated protection suite | Includes undervoltage lockout (2.7 V), thermal shutdown (160°C), short-circuit current limiting, and soft-start - reduces BOM count and enhances system robustness. |
| Small-footprint WSON-8 package | 2.00 mm × 2.00 mm body with exposed thermal pad - supports high-density layouts in smartphones, wearables, and compact industrial controllers. |
Applications
| Mobile PC Power Rail | Digital Still Camera Core Supply |
|---|---|
|
Use Scenario: Powers CPU I/O and memory interface in ultra-thin notebooks using single-cell Li-ion battery (3.0–4.2 V). IC Role / Device Role / Timing Role: Primary POL buck regulator delivering 1.8 V @ 1 A with fast load transient response during burst-mode processing. Use Value: DCS-Control™ ensures <50 mV output deviation during 1-A load steps; 17 µA quiescent current minimizes standby drain. |
Use Scenario: Supplies image signal processor (ISP) and CMOS sensor analog core in DSLR/mirrorless cameras. IC Role / Device Role / Timing Role: Low-noise, high-accuracy 3.3 V regulator with tight DC regulation (±3%) and minimal ripple for clean analog performance. Use Value: 2.25 MHz switching avoids interference with image capture timing; 100% duty cycle sustains regulation as battery discharges to 3.3 V. |
| Industrial Sensor Node | Modem Baseband Processor |
|
Use Scenario: Powers ARM Cortex-M4 microcontroller and wireless transceiver (BLE/Zigbee) in battery-operated condition monitoring sensors. IC Role / Device Role / Timing Role: Always-on power supply enabling wake-on-event operation with sub-20 µA system sleep current. Use Value: 17 µA IQ in power save mode extends 2-AA battery life beyond 5 years; PG output triggers MCU wake-up upon rail stabilization. |
Use Scenario: Generates 1.2 V core voltage for LTE/5G baseband SoC from 12-V intermediate rail in cellular infrastructure modules. IC Role / Device Role / Timing Role: High-efficiency, high-current POL converter supporting dynamic DVFS voltage scaling during data transmission bursts. Use Value: 1-A capability and 2.25 MHz switching enable rapid voltage transitions (<10 µs) required for modem power management states. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar step-down converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS62160DSGR | Adjustable output (0.9–6 V) vs. TPS62163DSGR's fixed 1.8 V; identical pinout, package, and electrical specs otherwise. | Suitable where output voltage must be tuned per design (e.g., FPGA core voltage scaling); requires external resistor divider. | Select TPS62160DSGR if flexibility in output voltage is needed; choose TPS62163DSGR for simplified BOM and guaranteed 1.8 V compliance. |
| TPS62172DQCR | Same DCS-Control™ architecture but in 3-mm × 3-mm QFN; higher 2.5-MHz nominal frequency; 1.2-V fixed output; lower 12-µA IQ. | Better suited for newer designs prioritizing ultra-low IQ and tighter EMI control; not pin-compatible due to different package and pin mapping. | Choose TPS62172DQCR only if redesigning layout for QFN and targeting <15 µA IQ; TPS62163DSGR remains optimal for drop-in replacement in existing DSG footprints. |
Compared with TPS62160DSGR, the TPS62163DSGR eliminates external feedback resistors and guarantees 1.8 V output accuracy, reducing component count and validation effort. Against TPS62172DQCR, it trades slightly higher IQ for proven WSON-8 compatibility and broader operating temperature support (–40°C to +125°C).
Availability
TPS62163DSGR is available at Aetrix Electronics and suitable for mobile PCs, digital still cameras, industrial sensor nodes, modem baseband processors, and embedded systems requiring stable component supply with consistent parametric performance and long-term manufacturability.
Supply support for TPS62163DSGR 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 and automotive-grade reliability.
The TPS6216x product line was designed specifically for high-power-density point-of-load applications in portable and battery-powered electronics, emphasizing small solution size, low quiescent current, and seamless light-load efficiency.
FAQ
What is the output voltage of the TPS62163DSGR?
The TPS62163DSGR is a fixed-output version delivering 1.8 V with ±3% accuracy over line, load, and temperature. Unlike the adjustable TPS62160DSGR, it does not require external feedback resistors - the 1.8 V setpoint is internally trimmed and verified during production test. This simplifies design, reduces BOM count, and ensures consistent performance across units.
Does the TPS62163DSGR support 100% duty-cycle operation?
Yes, the TPS62163DSGR supports 100% duty-cycle mode, enabling regulation when input voltage drops close to the 1.8 V output (e.g., from a discharging Li-ion cell). In this mode, the high-side MOSFET remains continuously on, and the low-side FET is disabled - maintaining output voltage without dropout, critical for maximizing battery runtime in portable devices.
What package type does the TPS62163DSGR use?
The TPS62163DSGR uses the 8-pin WSON package (DSG), measuring 2.00 mm × 2.00 mm with an exposed thermal pad. This package is distinct from the VSSOP-8 (DGK) variant used by other members of the TPS6216x family. The DSG package offers superior thermal performance and smaller footprint, making it ideal for space-constrained applications like wearables and compact industrial modules.
How does the TPS62163DSGR achieve low quiescent current?
The TPS62163DSGR achieves 17 µA typical quiescent current through integrated power save mode (PSM) that automatically engages at light loads. In PSM, switching frequency scales linearly with load current while maintaining regulation, avoiding the efficiency cliff common in traditional PWM-only converters. This enables >85% efficiency even at 1 mA output, extending battery life in always-on sensor and IoT applications.
Can the TPS62163DSGR be used with ceramic output capacitors?
Yes, the TPS62163DSGR is fully compatible with low-ESR ceramic output capacitors such as the 22 µF unit specified in its typical application. Its DCS-Control™ topology provides inherent stability with ceramic caps, eliminating the need for electrolytic or tantalum alternatives. This reduces solution size, improves reliability, and lowers cost - confirmed by TI's validated reference designs and SPICE models.
TPS62163DSGR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- DCS-Control™
- Package/Case:
- 8-WFDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck
- Output Type:
- Fixed
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 3V
- Voltage - Input (Max):
- 17V
- Voltage - Output (Min/Fixed):
- 5V
- Voltage - Output (Max):
- -
- Current - Output:
- 1A
- Frequency - Switching:
- 2.25MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-WSON (2x2)
TPS62163DSGR FAQ
1.How can I place an order for TPS62163DSGR through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS62163DSGR 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 TPS62163DSGR reliable?
The price and inventory of TPS62163DSGR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS62163DSGR is usually 5 days.
3.What payment methods are accepted for TPS62163DSGR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS62163DSGR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS62163DSGR?
TPS62163DSGR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS62163DSGR 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 TPS62163DSGR?
For technical support, including TPS62163DSGR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS62163DSGR requirements.
6.How does Aetrix verify that TPS62163DSGR is sourced from the original manufacturer or authorized distributors?
All TPS62163DSGR 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 TPS62163DSGR meets industry standards.
7.What is the process for return or replacement of TPS62163DSGR?
All TPS62163DSGR units undergo pre-shipment inspection (PSI). If there is an issue with TPS62163DSGR, 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 TPS62163DSGR part is unused and in its original packaging.
Return procedure for TPS62163DSGR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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