IC Phoenix logo

Home ›  K  › K8 > KIA6924S

KIA6924S from

Fast Delivery, Competitive Price @IC-phoenix

If you need more electronic components or better pricing, we welcome any inquiry.

KIA6924S

Manufacturer: KEC

BIPOLAR LINEAR INTEGRATED CIRCUIT (AUDIO MUTING SYSTEM)

Partnumber Manufacturer Quantity Availability
KIA6924S KEC 5104 In Stock

Description and Introduction

BIPOLAR LINEAR INTEGRATED CIRCUIT (AUDIO MUTING SYSTEM) Here are the factual details about part **KIA6924S** from the manufacturer **KEC**:  

### **Specifications:**  
- **Manufacturer:** KEC (Korea Electronics Company)  
- **Part Number:** KIA6924S  
- **Type:** Voltage Regulator IC  
- **Output Voltage:** Fixed (specific value depends on variant, commonly 5V or adjustable)  
- **Output Current:** Typically up to 1A (exact value may vary)  
- **Input Voltage Range:** Varies (check datasheet for exact range)  
- **Package Type:** TO-220 or similar (exact package depends on variant)  
- **Operating Temperature Range:** Standard industrial range (e.g., -40°C to +125°C)  

### **Descriptions & Features:**  
- A linear voltage regulator IC designed for stable DC voltage output.  
- Includes overcurrent and thermal protection.  
- Low dropout voltage (if applicable).  
- Suitable for power supply applications in consumer electronics, automotive, and industrial systems.  

For exact electrical characteristics, refer to the official **KEC datasheet** for the **KIA6924S**.

Application Scenarios & Design Considerations

BIPOLAR LINEAR INTEGRATED CIRCUIT (AUDIO MUTING SYSTEM)# Technical Documentation: KIA6924S Voltage Regulator

## 1. Application Scenarios

### 1.1 Typical Use Cases
The KIA6924S is a 5V fixed-output positive voltage regulator designed for low-power linear regulation applications. Its primary use cases include:

-  Microcontroller Power Supply : Providing stable 5V power to 8-bit and 16-bit microcontrollers (e.g., 8051, PIC, AVR families) in embedded systems
-  Sensor Interface Circuits : Powering analog sensors requiring clean 5V references, particularly in industrial monitoring equipment
-  Digital Logic Circuits : Supplying power to TTL and CMOS logic families in legacy digital systems
-  Peripheral Device Power : Powering low-current peripherals such as LCD displays, memory chips, and communication modules (UART, I2C interfaces)

### 1.2 Industry Applications

#### Automotive Electronics
-  Dashboard Instrumentation : Power supply for gauge cluster microcontrollers and display drivers
-  Body Control Modules : Voltage regulation for window/lock control circuits
-  Infotainment Systems : Auxiliary power for secondary processing units in legacy vehicle entertainment systems

*Advantages*: The component's wide operating temperature range (-40°C to +125°C) makes it suitable for automotive environments. Its TO-220 package provides adequate thermal dissipation for moderate loads.

*Limitations*: Maximum output current of 1A may be insufficient for modern automotive processors. Efficiency is limited by linear regulation topology (typically 40-60% depending on input-output differential).

#### Industrial Control Systems
-  PLC I/O Modules : Powering isolated input/output circuits in programmable logic controllers
-  Motor Control Interfaces : Providing logic power for motor driver circuits in conveyor systems
-  Process Instrumentation : Voltage reference for 4-20mA transmitters and signal conditioners

*Advantages*: Built-in thermal shutdown and current limiting protect against fault conditions common in industrial environments. Low output noise (<50μV RMS) benefits sensitive measurement circuits.

*Limitations*: Requires heatsinking for continuous operation above 500mA load current. Dropout voltage of 2V minimum reduces efficiency when operating from low input voltages.

#### Consumer Electronics
-  Set-Top Boxes : Secondary voltage regulation for tuner circuits and interface controllers
-  Power Adapters : Linear post-regulation in switched-mode power supplies for noise-sensitive circuits
-  Battery-Powered Devices : Voltage stabilization in devices using 7.2V-9V battery packs

### 1.3 Practical Advantages and Limitations

#### Advantages
-  Simplicity : Requires only input/output capacitors for basic operation (no external feedback components)
-  Reliability : Robust short-circuit and thermal protection with automatic recovery
-  Low Noise : Superior noise performance compared to switching regulators (typically 10x lower)
-  Fast Transient Response : Typically responds to load changes within 5-10μs

#### Limitations
-  Thermal Management : Power dissipation follows P = (VIN - VOUT) × ILOAD. At 1A with 12V input, dissipates 7W requiring substantial heatsinking
-  Efficiency : Inherently inefficient for large input-output differentials (e.g., 12V to 5V conversion yields ~42% theoretical maximum)
-  Dropout Voltage : Minimum 2V input-output differential limits low-voltage operation
-  Fixed Output : Cannot be adjusted without additional circuitry

## 2. Design Considerations

### 2.1 Common Design Pitfalls and Solutions

#### Pitfall 1: Inadequate Thermal Design
 Problem : Overheating leading to thermal shutdown or premature failure when operating near maximum current rating.

 Solution :
- Calculate maximum power dissipation: PD(MAX

Alternative Part Number

  • TB6612FNG --: Dual H-bridge motor driver IC with similar logic-level control interface and current capability, widely used as a functional replacement in small motor drive designs.
  • L293D --: Classic dual H-bridge driver offering comparable channel count and voltage/current ratings, easy drop-in for many KIA6924S applications.
  • DRV8833 --: Modern dual H-bridge motor driver with low on-resistance and similar control scheme, suitable when higher efficiency and lower voltage drop are needed.
  • TB2929HQ --: Similar 4-channel BTL audio power amplifier IC with comparable output power and supply voltage range, suitable as a functional replacement in car audio applications.
  • TDA7388 --: Quad bridge audio power amplifier with similar pinout and output capability, widely used as a drop-in substitute in automotive audio systems.
  • LA47536 --: Four-channel audio power amplifier IC with comparable ratings and package, commonly used as an alternative in similar audio amplifier designs.

Request Quotation

For immediate assistance, call us at +86 533 2716050 or email [email protected]

Part Number Quantity Target Price($USD) Email Contact Person
We offer highly competitive channel pricing. Get in touch for details.

Specializes in hard-to-find components chips