Overview
The INA205AIPWR, produced by Texas Instruments, is a high-performance current sense amplifier designed for a wide range of applications. It is part of the INA203, INA204, and INA205 family of unidirectional current-shunt monitors. This device features a voltage output, dual comparators, and a voltage reference, making it a comprehensive solution for current sensing needs.
The INA205AIPWR operates over a common-mode voltage range of –16 V to 80 V and offers a gain of 100 V/V, with a bandwidth of up to 500 kHz. It is available in a TSSOP-14 package, ensuring compact integration into various systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Gain | 100 | V/V |
| Common-Mode Range | –16 V to 80 V | V |
| Bandwidth | 500 kHz | kHz |
| Quiescent Current | 1.8 mA | mA |
| Operating Power Supply | 2.7 V to 18 V | V |
| Operating Temperature Range | –40°C to 125°C | °C |
| Package Type | TSSOP-14 | |
| Comparator References | Internal 0.6 V, overrideable by external inputs | V |
| Comparator 1 | Latching capability | |
| Comparator 2 | User-programmable delay | |
| Reference Output | 1.2 V | V |
Key Features
- Complete Current Sense Solution: The INA205AIPWR provides a comprehensive current sensing solution with voltage output and dual comparators.
- Dual Comparators: Includes two open-drain comparators with internal 0.6-V references. Comparator 1 has a latching capability, and Comparator 2 has a user-programmable delay.
- High Accuracy: Offers high accuracy with a maximum gain error of 3.5% over temperature.
- Wide Common-Mode Range: Operates over a common-mode voltage range of –16 V to 80 V.
- High Bandwidth: Features a bandwidth of up to 500 kHz.
- Low Quiescent Current: Consumes a quiescent current of 1.8 mA.
- Flexible Power Supply: Operates from a single 2.7-V to 18-V supply.
- Extended Operating Temperature Range: Specified over the temperature range of –40°C to 125°C.
Applications
- Notebook Computers: Ideal for power management and current sensing in portable computing devices.
- Cell Phones: Used in mobile devices for efficient power management and battery monitoring.
- Telecom Equipment: Suitable for current sensing and power management in telecommunications hardware.
- Automotive Systems: Applied in automotive systems for monitoring and controlling electrical currents.
- Power Management: Widely used in power management circuits for various electronic devices.
- Battery Chargers: Utilized in battery charging systems to monitor and control charging currents.
- Welding Equipment: Employed in welding equipment for precise current monitoring and control.
Q & A
- What is the gain of the INA205AIPWR?
The gain of the INA205AIPWR is 100 V/V.
- What is the common-mode voltage range of the INA205AIPWR?
The common-mode voltage range is –16 V to 80 V.
- What is the bandwidth of the INA205AIPWR?
The bandwidth is up to 500 kHz.
- What is the quiescent current of the INA205AIPWR?
The quiescent current is 1.8 mA.
- What is the operating power supply range of the INA205AIPWR?
The operating power supply range is 2.7 V to 18 V.
- What are the key features of the comparators in the INA205AIPWR?
The device includes two open-drain comparators with internal 0.6-V references. Comparator 1 has a latching capability, and Comparator 2 has a user-programmable delay.
- What is the reference output voltage of the INA205AIPWR?
The reference output voltage is 1.2 V.
- What are some typical applications of the INA205AIPWR?
Typical applications include notebook computers, cell phones, telecom equipment, automotive systems, power management, battery chargers, and welding equipment.
- What is the operating temperature range of the INA205AIPWR?
The operating temperature range is –40°C to 125°C.
- What package types are available for the INA205AIPWR?
The INA205AIPWR is available in a TSSOP-14 package.
