TPS40195PWG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
TPS40195PWG4 is a single-output synchronous step-down PWM controller in a 16-pin TSSOP package, accepting 4.5 V to 20 V input and providing adjustable output from 1 V to 5 V. It uses voltage-mode control with pulse-width modulation for efficient DC-DC conversion in industrial and telecom power designs.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- TPS40195PWG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Single-output synchronous buck PWM controller
- Input voltage range: 4.5 V to 20 V
- Adjustable output voltage: 1 V to 5 V
- Voltage-mode PWM control for stable regulation
- 16-pin TSSOP package for compact power stage layout
- Nominal 12 V input optimized for typical industrial rails
- RoHS e4 lead-free terminal finish
Applications
TPS40195PWG4 is used in industrial point-of-load converters, telecom server boards, and embedded computing modules that step down 12 V rails to core voltages between 1 V and 5 V. It is also applied in programmable logic controller power stages and test equipment where precise adjustable output and synchronous switching efficiency are required.
Specifications
| YTEOL | 15 |
| Additional Feature | ALSO OPERATES IN ADJUSTABLE MODE FROM 1 TO 5V |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 20V |
| Input Voltage-Min | 4.5V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Output Current-Max | 20A |
| Output Voltage-Max | 17V |
| Output Voltage-Min | 0.591V |
| Output Voltage-Nom | 5.3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP16,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 580kHz |
| Technology | BICMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TPS40195PWG4:
Switching Controller, Voltage-mode, 20A, 600kHz Switching Freq-Max, BICMOS, PDSO16
Frequently Asked Questions
What input voltage range does TPS40195PWG4 accept, and what output voltage can it regulate to?
TPS40195PWG4 accepts an input voltage from 4.5 V to 20 V, with a nominal design point of 12 V. The output voltage is adjustable from 1 V to 5 V, allowing the controller to serve a wide range of point-of-load applications including FPGA core rails, DDR memory supplies, and processor I/O voltages.
How does voltage-mode PWM control in TPS40195PWG4 compare to current-mode control for stability?
Voltage-mode PWM control, as used in TPS40195PWG4, regulates the output by comparing a sawtooth ramp directly to the error amplifier output, which simplifies compensation design. While current-mode control offers inherent cycle-by-cycle current limiting and faster transient response, voltage-mode is easier to compensate for low-ESR ceramic output capacitor designs common in modern 1 V to 5 V point-of-load converters.
Which package does TPS40195PWG4 use, and how does it affect thermal and layout considerations?
The TPS40195PWG4 is housed in a 16-pin TSSOP (R-PDSO-G16) package, which has a small footprint that keeps the controller close to the power stage components. The thin small-outline profile allows tight placement of bootstrap and gate-drive traces, reducing parasitic inductance and improving switching performance in synchronous buck converter designs operating up to 20 V input.
Can TPS40195PWG4 be used in a 5 V input to 1.8 V output design for FPGA core power?
Yes, TPS40195PWG4 is well suited for a 5 V to 1.8 V synchronous buck design. The 4.5 V minimum input is just below 5 V, ensuring the controller starts and operates reliably, and the adjustable output range includes 1.8 V. Using external MOSFETs sized for 5 V input and typical FPGA core currents, this configuration delivers efficient regulated power with voltage-mode PWM stability.
Is TPS40195PWG4 available in lead-free packaging for RoHS-compliant production?
Yes, the G4 suffix and JESD-609 e4 finish code confirm that TPS40195PWG4 uses a lead-free, RoHS-compliant terminal plating. This makes the device compatible with modern halogen-free and lead-free PCB assembly processes, including SAC solder paste reflow used in industrial and telecom manufacturing environments.
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Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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