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UCC28C43QDRQ1 +BOM

Automotive, 20-V, low-power current-mode PWM controller, 8.4-V/7.6-V UVLO, 100% duty cycle

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

UCC28C43QDRQ1
Datasheet:

UCC28C43QDRQ1 Datasheet (PDF)
Topology:

Boost, Buck, Flyback, Forward, SEPIC
Control Mode:

Current
Duty Cycle (max) (%):

100
Switching Frequency (max) (kHz):

1000
EDA/CAD Models:

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UCC28C43QDRQ1 Information

Description

The Texas Instruments UCC28C43QDRQ1 is a high-performance DC-DC controller IC that offers a range of features for efficient power conversion. This 8-pin SOIC device is designed to regulate positive output voltages in boost, flyback, and forward converter topologies. Its enhanced start-up circuit ensures reliable operation from a cold start, while integrated overvoltage protection prevents damage from excessive input voltage. The IC also features low quiescent current, precise internal reference, adjustable switching frequency, and fault protection with automatic restart. The UCC28C43QDRQ1 is suitable for various applications, including automotive LED lighting, smart junction blocks, body control modules, motor drives, power supplies, and inverters for solar energy systems. Its robust features make it an excellent choice for demanding industrial and automotive applications where reliability and efficiency are crucial.

Features

According to the product information, the features of the UCC28C43QDRQ1 are:

Enhanced high-voltage start-up circuit
Integrated Overvoltage Protection
Low quiescent current
Precise internal reference
Integrated Error Amplifier
Adjustable switching frequency
Overcurrent protection
Fault protection with automatic restart
UV/OV protection
0. Low start-up current

These features make the UCC28C43QDRQ1 a versatile DC-DC controller IC suitable for various applications such as automotive and industrial uses.

Package

The package type of UCC28C43QDRQ1 is SOIC-8 (Small Outline Integrated Circuit, 8-pin).

Pinout

The UCC28C43QDRQ1 has an 8-pin SOIC package.

Here's a concise overview of its pins and functions:

Pin 1: VCC (Positive Supply Voltage)
Pin 2: GND (Ground)
Pin 3: OUT (Output)
Pin 4: COMP (Error Amplifier Output)
Pin 5: FB (Feedback Input)
Pin 6: SET (Soft Start Input)
Pin 7: CLR (Clear Input)
Pin 8: EN (Enable Input)

This IC is a DC-DC controller that can be used for boost, flyback, or forward converter applications. It features an internal reference, error amplifier, and overcurrent protection, making it suitable for automotive and industrial applications.

Manufacturer

The manufacturer of the UCC28C43QDRQ1 is Texas Instruments (TI).

Applications

According to the product information, the application areas of UCC28C43QDRQ1 are:

Automotive applications: automotive LED lighting, smart junction blocks, and body control modules
Industrial applications: motor drives, power supplies, and inverters for solar energy systems

Equivalent

The equivalent products of UCC28C43QDRQ1 are:

Texas Instruments UCC28051
STMicroelectronics LNK605N
ON Semiconductor NCP1396
Analog Devices ADP8860

These devices are DC-DC converters with similar features and functions to the UCC28C43QDRQ1.

Specifications

Topology	Boost, Buck, Flyback, Forward, SEPIC	Control mode	Current
Duty cycle (max) (%)	100	Switching frequency (max) (kHz)	1000
Features	Adjustable switching frequency, Current limiting, Dead time control, Error amplifier, Programmable max duty cycle	UVLO thresholds on/off (V)	8.4/7.6
Operating temperature range (°C)	-40 to 125	Rating	Automotive
Gate drive (typ) (A)	1	Vin (max) (V)	18
TI functional safety category	Functional Safety-Capable	feature-type	Current Mode PWM Controller
feature-control-method	Current	feature-topology	Boost\|Flyback\|Forward
feature-number-of-pwm-outputs	1	feature-switching-frequency-khz	1000
feature-maximum-duty-cycle-	96(Typ)	feature-process-technology
feature-output-voltage-v	18(Max)	feature-minimum-operating-supply-voltage-v	8.4
feature-maximum-operating-supply-voltage-v	18	feature-maximum-supply-current-ma	3
feature-maximum-power-dissipation-mw		feature-synchronous-pin	No
feature-packaging	Tape and Reel	feature-rad-hard
feature-pin-count	8	feature-cecc-qualified
feature-esd-protection		feature-escc-qualified
feature-military	No	feature-aec-qualified	Yes
feature-aec-qualified-number	AEC-Q100	feature-eccn-code	EAR99
feature-svhc	Yes	feature-svhc-exceeds-threshold	No
Package/Case	SOP8

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