TPS25921LDR Integrated Circuits (ICs) |
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Allicdata Part #: | 296-40732-2-ND |
Manufacturer Part#: |
TPS25921LDR |
Price: | $ 0.41 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC PWR MGR EFUSE 18V 8SOIC |
More Detail: | Hot Swap Controller 1 Channel General Purpose 8-SO... |
DataSheet: | TPS25921LDR Datasheet/PDF |
Quantity: | 1000 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
2500 +: | $ 0.37220 |
5000 +: | $ 0.35359 |
12500 +: | $ 0.34030 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Type: | Hot Swap Controller |
Number of Channels: | 1 |
Internal Switch(s): | Yes |
Applications: | General Purpose |
Features: | Latched Fault, Thermal Limit |
Programmable Features: | Circuit Breaker, Current Limit, OVP, Slew Rate, UVLO |
Voltage - Supply: | 4.5 V ~ 18 V |
Current - Output (Max): | -- |
Operating Temperature: | -40°C ~ 85°C |
Current - Supply: | 410µA |
Mounting Type: | Surface Mount |
Package / Case: | 8-SOIC (0.154", 3.90mm Width) |
Supplier Device Package: | 8-SOIC |
Feature Pins: | ENUV, /FLT, ILIM, OVP, SS |
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Introduction:
TPS25921LDR, produced by Texas Instruments, is a Hot Swap Controller. It is used in applications ranging from mobile computing to consumer electronics, enabling power supply design flexibility, battery charging, thermal management, overload and fault protection. This article will discuss its application field and working principle.
Application Field:
The TPS25921LDR Hot Swap Controller is typically used in applications such as charging removable battery packs, eliminating the need for a high-side power switch and providing thermal management, protection, and other functions. It can be used in low-voltage hot-swapping applications such as smartphones, tablets, and other consumer electronics. Additionally, the TPS25921LDR can be used in prototyping applications, providing quick, easy, and cost-effective system-level hot-swapping, protecting the attached circuitry from potential damage.
Working Principle:
The TPS25921LDR Hot Swap Controller is comprised of two components: a Hot Swap MOSFET, and a current limit circuit. The Hot Swap MOSFET is used to control the power supply to the system, and the current limit circuit is used to protect the system from overcurrent conditions. When the Hot Swap MOSFET is off, the system power supply is disconnected and the TPS25921LDR is in a standby mode. When the Hot Swap MOSFET is on and the system power supply is connected, the current limit circuit is enabled and will protect the system from overcurrent conditions by limiting the current to a predetermined value. The TPS25921LDR also includes an overvoltage protection circuit, an open drain overcurrent protection circuit, and an adjustable thermal shutdown circuit. These features provide additional protection for the system.
Conclusion:
The TPS25921LDR Hot Swap Controller is used in applications ranging from mobile computing to consumer electronics. It is comprised of two components: a Hot Swap MOSFET, and a current limit circuit. The Hot Swap MOSFET is used to control the power supply to the system, and the current limit circuit is used to protect the system from overcurrent conditions. Additionally, the TPS25921LDR includes an overvoltage protection circuit, an open drain overcurrent protection circuit, and an adjustable thermal shutdown circuit, providing additional protection for the system.
The specific data is subject to PDF, and the above content is for reference
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