About TEA1104 IC
Supply voltage: 5.45 11.5VSupply current outputs off: 3 mAVoltage Range of Battery full detection: 0.81 3.6VVoltage peak detection level withrespect to top value: 0.25 ttery Monitor input current: 1 nABattery Voltage protection low: 0.81 0.91VVattery voltage protection high: 3.5 3.6VOscillator frequency: 10 E 100 kHzMounting Style: SMD/SMTPackage/Case: SOIC-8Efficient Power Control for Modern CircuitsThe TEA1104 IC delivers robust performance in a compact form, making it ideal for controlling lamps, power supplies, and lighting ballasts. With low operating and start-up currents, this IC enhances energy efficiency in your designs. Its high output current capability and fast response suit demanding applications, while multiple protection mechanisms ensure reliability and longevity in circuit operation.
Application Flexibility and Safety FeaturesSupporting a supply voltage range of 9V to 18V, the TEA1104 adapts to a wide array of power management and control circuits. Integrated under-voltage lockout with hysteresis and short circuit protection offer superior safety, guarding both the device and external components. The 1% reference voltage accuracy assures high precision, vital for stability in sensitive electronic systems.
FAQ's of TEA1104 IC:
Q: How is the TEA1104 IC typically used in electronic applications?
A: The TEA1104 is designed as an electronic controller for lamp driver circuits, power supply control, switch mode power supplies (SMPS), and lighting ballasts. Its output is ideal for providing gate drive to power MOSFETs or bipolar transistors in these applications.
Q: What benefits does the TEA1104 provide compared to other controller ICs?
A: The TEA1104 offers low start-up and quiescent currents, a high output voltage swing up to 18V, and a robust maximum output current of 350mA. Built-in protections like under-voltage lockout with hysteresis and short circuit protection make it suited for reliable, energy-efficient system design.
Q: When should I consider using the TEA1104 IC in my circuit design?
A: The TEA1104 is ideal when you need reliable gate drive circuitry for power transistors, efficient switching at frequencies up to 100kHz, and comprehensive protection features. It excels in new designs or replacing aging components in SMPS, lighting ballast controls, or general power management circuits.
Q: Where can the TEA1104 IC be obtained and what are its packaging options?
A: You can source the TEA1104 from electronic components suppliers and traders, particularly those in China. It is available in standard compact 8-pin DIP or SOIC (SO-8) packages, suitable for both through-hole and surface-mount PCB designs.
Q: What is the process for integrating the TEA1104 into a power supply circuit?
A: Integrating the TEA1104 involves connecting it to an external DC voltage supply (ranging from 9V to 18V), configuring the logic and analog voltage inputs, and using its output to drive the gate of a MOSFET or bipolar transistor. Proper layout for thermal management and adherence to package dimensions ensures optimal performance.
Q: How does the under-voltage lockout with hysteresis enhance the TEA1104's reliability?
A: The under-voltage lockout feature ensures the IC operates only within a safe supply voltage range. Hysteresis prevents unwanted toggling or oscillation during voltage fluctuations, which protects both the TEA1104 and the circuits it controls from instability.