PINA253A3IPW Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The PINA253A3IPW is a high-voltage bidirectional current sense amplifier from Texas Instruments supporting up to 80V with PWM rejection and a precision integrated shunt resistor in a small outline package. It measures current flow in both directions on low-side and high-side configurations for accurate power monitoring. Available from authorized distributors with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- OBSOLETE
- Datasheet
- PINA253A3IPW Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 80V maximum operating voltage with bidirectional low-side and high-side current sensing capability for versatile power monitoring
- Integrated precision shunt resistor eliminates external component selection and reduces board space while improving measurement accuracy
- PWM rejection feature minimizes switching noise interference, enabling accurate current measurement in motor drive and power converter applications
Applications
The PINA253A3IPW is designed for current monitoring in motor control, battery management systems, and power supply circuits where accurate bidirectional current measurement is critical. Its 80V rating and integrated shunt resistor make it well-suited for industrial power tools, solar inverters, and electric vehicle subsystems requiring compact current sensing. The built-in PWM rejection capability is especially valuable in switching power converter environments where high-frequency noise would otherwise corrupt current measurements.
Specifications
| YTEOL | 0 |
| Analog IC - Other Type | POWER SUPPLY SUPPORT CIRCUIT |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PINA253A3IPW:
Frequently Asked Questions
What is the maximum voltage the PINA253A3IPW can handle?
The PINA253A3IPW supports a maximum operating voltage of 80V, making it suitable for high-voltage power monitoring applications including industrial motor drives, solar energy systems, and battery management circuits operating at elevated bus voltages.
Does the PINA253A3IPW support both high-side and low-side current sensing?
Yes, the PINA253A3IPW is designed for bidirectional current sensing in both low-side and high-side configurations. This flexibility allows system designers to place the shunt element at either the ground-referenced or supply-referenced side of the load depending on circuit requirements.
What is the advantage of the integrated shunt resistor in the PINA253A3IPW?
The precision integrated shunt resistor eliminates the need for an external current sensing resistor, reducing component count, board area, and the tolerancing errors associated with separately sourced shunts. This integration improves overall system accuracy and simplifies PCB layout for the current sense path.
How does PWM rejection benefit the PINA253A3IPW in switching applications?
The PWM rejection feature filters out high-frequency switching transients common in motor drives and DC-DC converters, preventing these noise spikes from corrupting the current measurement output. This allows accurate real-time current monitoring even when the device is placed directly in the switching power path.
What package is the PINA253A3IPW available in?
The PINA253A3IPW is housed in a small outline package (SOT or TSSOP family indicated by the 'PW' suffix), which is a compact surface-mount format suitable for space-constrained PCB designs in power management and motor control applications.
Related Guides
TPS613222ADBVR Boost Converter Design Guide: Battery-Powered 3.3 V Rail
Design a stable 3.3 V or 5 V boost rail with the TPS613222ADBVR: input/output capacitor sizing, inductor selection, and low-EMI PCB layout for portable battery-powered devices.
May 24, 2026
OPA4277MDTEP Precision Instrumentation Amp Design Guide
Circuit techniques for OPA4277MDTEP precision op-amp: instrumentation amp front-ends, low-side current sensing, photodiode TIA, and thermocouple amplifiers.
May 24, 2026
CDCE913PWR Programmable Clock Synthesizer Design Guide
Complete design guide for the CDCE913PWR clock synthesizer: VCO range, I2C programming, decoupling, and layout best practices for embedded systems.
May 22, 2026
OPA4277MDTEP Precision Quad Op-Amp Selection Guide: How to Choose the Right Variant
How to choose the right OPA4277 quad precision op-amp variant—OPA4277MDTEP vs UA—covering offset voltage, CMRR, supply range, and temperature grade.
May 22, 2026
Why Buy from FindMyChip
About Texas Instruments
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.
More from Texas Instruments
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.”