L6598D

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L6598D

IC OFFLINE SW HALF-BRIDGE 16SO

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Specifications

Package Tube
ProductStatus Active
OutputIsolation Isolated
InternalSwitch(s) No
Topology Half-Bridge
Voltage-StartUp 10.7 V
Voltage-Supply(Vcc/Vdd) 8V ~ 16.6V
DutyCycle 50%
Frequency-Switching 400kHz
ControlFeatures EN
OperatingTemperature -40°C ~ 150°C (TJ)
Package/Case 16-SOIC (0.154, 3.90mm Width)
SupplierDevicePackage 16-SO

Overview

Description

The L6598D is a high-performance integrated circuit (IC) designed primarily for driving power MOSFETs in switch-mode power supplies (SMPS). It features a dual high-voltage startup circuit, enabling operation in environments with high-voltage ranges, making it suitable for industrial and consumer applications. The L6598D incorporates a dedicated oscillator, enabling precise frequency control, and provides a bootstrap mechanism for gate driving, enhancing efficiency and reducing power losses.
Key features include its ability to work with a variety of switching frequencies, built-in protection mechanisms like overcurrent and thermal shutdown, and a robust design that enhances reliability. The IC is typically used in resonant, quasi-resonant, and hard-switching topologies, offering versatility for different power supply designs.
Overall, the L6598D is favored for its efficiency, reliability, and ease of integration in modern power electronics.

Features

The L6598D is a high-voltage, high-frequency half-bridge driver designed for power conversion applications. Key features include:
1. Dual Output Drivers: Capable of driving two N-channel MOSFETs or IGBTs in a half-bridge configuration.
2. High Voltage Capability: Supports a wide voltage range, typically up to 600V.
3. High-Speed Operation: Provides fast switching speeds, making it suitable for high-frequency applications.
4. Integrated Bootstrap Function: Allows for easy high-side driver operation without the need for external components.
5. Under-Voltage Lockout (UVLO): Ensures safe operation by disabling the driver if supply voltage drops below a certain threshold.
6. Dead-Time Control: Built-in dead-time control prevents shoot-through in the half-bridge configuration.
7. Thermal Shutdown: Protects against overheating conditions for enhanced reliability.
These features make the L6598D ideal for use in applications such as switch-mode power supplies (SMPS), motor drives, and other high-efficiency power management systems.

Package

The L6598D is packaged in a DIP-8 (Dual In-line Package, 8 pins) configuration. This type of package is commonly used for integrated circuits, providing easy mounting on circuit boards.

Pinout

The L6598D is a dedicated high-voltage power supply controller with a total of 16 pins. Here’s a summary of its pin functions:
1. Vcc (Pin 1): Supply voltage input.
2. Vref (Pin 2): Reference voltage output.
3. GND (Pin 3): Ground.
4. OUT (Pin 4): Output driver for the power MOSFET.
5. COMP (Pin 5): Compensation pin for feedback loop stability.
6. CSN (Pin 6): Current sense negative input.
7. CSP (Pin 7): Current sense positive input.
8. RAMP (Pin 8): Ramp signal input for PWM control.
9. RT (Pin 9): Timing resistor connect.
10. CT (Pin 10): Timing capacitor connect.
11. Vcc Shutdown (Pin 11): Enables or disables the Vcc.
12. FB (Pin 12): Feedback input for voltage regulation.
13. Vosc (Pin 13): Oscillator frequency setting.
14. UVLO (Pin 14): Under-voltage lock-out threshold setting.
15. MP (Pin 15): Multiplication factor for error amplifier.
16. SO (Pin 16): Soft-start function.
This controller is widely used in switch-mode power supplies (SMPS) for its efficiency and reliability.

Manufacturer

The L6598D is manufactured by STMicroelectronics, a global semiconductor company. STMicroelectronics specializes in designing and manufacturing a wide range of electronic components, including microcontrollers, sensors, power management devices, and analog ICs. The company serves various industries, including automotive, industrial, consumer electronics, and telecommunications. Headquartered in Geneva, Switzerland, STMicroelectronics is known for its innovation and commitment to sustainability in the semiconductor field.

Application

The L6598D is a high-voltage, half-bridge driver IC primarily used in power supply applications, such as switch-mode power supplies (SMPS), resonant converters, and inverters. Its application areas include industrial power supplies, renewable energy systems, motor drives, and lighting systems. The device features integrated protection functions, making it suitable for reliable operation in demanding environments.

Equivalent

Equivalent products to the L6598D chip include the L6599, L6597, and L6596, which are also PWM controllers used in power supply applications. Additionally, you may consider alternatives from similar manufacturers like the UC3842, TL494, or MC34063, depending on the specific application requirements such as voltage, current, and topology. Always verify specifications for compatibility.

Shipping

Shipping MethodsWe

offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.


Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

Payment Methods

The Payment term is 100% Prepaid.

Currently, we only accept the below payment methods:

1. PayPal

2. Credit/ Debit Card

3. Wire Transfer

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