Texas Instruments

TL3845D  

DC DC Switching Controllers

TL3845D Description

The TL3845D is a versatile and high-performance power management integrated circuit (PMIC) designed by Texas Instruments. This IC is specifically tailored for applications requiring a transistor driver with a positive output configuration. It operates within a wide supply voltage range of 7.6V to 30V, making it suitable for various power supply designs. The TL3845D is optimized for switching frequencies up to 100kHz, ensuring efficient power conversion and minimal energy loss. This device is housed in a surface-mount package, making it ideal for compact and space-constrained designs. With an operating temperature range of 0°C to 70°C, the TL3845D is well-suited for automotive applications where reliability and performance are paramount.

TL3845D Features

• Output Type: Transistor Driver
• Output Configuration: Positive
• Frequency - Switching: 100kHz
• Voltage - Supply (Vcc/Vdd): 7.6V to 30V
• Operating Temperature: 0°C to 70°C (TA)
• Mounting Type: Surface Mount
• Number of Outputs: 1
• Control Features: Frequency Control
• Duty Cycle (Max): 48%
• Output Phases: 1
• Package: Tube
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Product Status: Active
• REACH Status: REACH Unaffected
• RoHS Status: ROHS3 Compliant
• ECCN: EAR99
• HTSUS: 8542.39.0001
• Grade: Automotive
• Topology: Boost, Flyback, Forward Converter

TL3845D Applications

The TL3845D is designed to meet the stringent requirements of the automotive industry, ensuring robust performance and reliability. Its wide supply voltage range and switching frequency make it ideal for a variety of power conversion applications, including:

• Boost Converters: Enhancing voltage levels in automotive electronic systems.
• Flyback Converters: Providing isolated power supplies in automotive applications.
• Forward Converters: Offering efficient power transfer in automotive power electronics.

The TL3845D's frequency control feature allows for precise regulation of the switching frequency, optimizing efficiency and minimizing electromagnetic interference (EMI). Its duty cycle control up to 48% ensures stable and reliable power output, even under varying load conditions. The device's automotive grade certification and compliance with REACH and RoHS3 standards make it a preferred choice for environmentally conscious and safety-critical applications.

Conclusion of TL3845D

The TL3845D from Texas Instruments stands out as a reliable and efficient power management solution for automotive applications. Its wide operating voltage range, high switching frequency, and robust control features make it an ideal choice for boost, flyback, and forward converter topologies. The device's compliance with industry standards and its automotive grade certification ensure that it meets the highest standards of reliability and performance. Whether used in compact automotive electronics or larger power systems, the TL3845D offers a versatile and high-performance solution that engineers can trust.

TL3845D Documents

Download datasheets and manufacturer documentation for TL3845D

Datasheets :

TL284x, TL384x      

PCN Design/Specification :

Design 25/Feb/2022