ISL78302AARGCZ

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency - Low power consumption - Wide input voltage range - Multiple output channels - Overcurrent and overvoltage protection

Package: QFN-32

Essence: The ISL78302AARGCZ is a power management IC designed for various applications that require multiple output channels with high efficiency and low power consumption.

Packaging/Quantity: The ISL78302AARGCZ is available in a QFN-32 package. It is typically sold in reels of 2500 units.

Specifications

Input Voltage Range: 2.7V to 5.5V
Output Voltage Range: 0.8V to 3.6V
Number of Output Channels: 3
Maximum Output Current: 1.5A per channel
Quiescent Current: 50µA
Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ISL78302AARGCZ has a total of 32 pins. Here is the detailed pin configuration:

VIN1: Input voltage for Channel 1
VIN2: Input voltage for Channel 2
VIN3: Input voltage for Channel 3
GND: Ground
VOUT1: Output voltage for Channel 1
VOUT2: Output voltage for Channel 2
VOUT3: Output voltage for Channel 3
EN1: Enable control for Channel 1
EN2: Enable control for Channel 2
EN3: Enable control for Channel 3
FB1: Feedback voltage for Channel 1
FB2: Feedback voltage for Channel 2
FB3: Feedback voltage for Channel 3
PGND: Power ground
AGND: Analog ground
VCC: Supply voltage input
BST1: Boost capacitor for Channel 1
BST2: Boost capacitor for Channel 2
BST3: Boost capacitor for Channel 3
SW1: Switch node for Channel 1
SW2: Switch node for Channel 2
SW3: Switch node for Channel 3
SS1: Soft-start control for Channel 1
SS2: Soft-start control for Channel 2
SS3: Soft-start control for Channel 3
PG1: Power good indicator for Channel 1
PG2: Power good indicator for Channel 2
PG3: Power good indicator for Channel 3
CLK: Clock input
SYNC: Synchronization input
NC: No connection
NC: No connection

Functional Features

Triple output channels with independent control
High efficiency synchronous buck converters
Adjustable output voltage
Overcurrent and overvoltage protection
Soft-start function for controlled startup
Power good indicators for each channel
Clock synchronization capability

Advantages and Disadvantages

Advantages: - High efficiency design saves power - Multiple output channels provide flexibility - Wide input voltage range allows compatibility with various power sources - Overcurrent and overvoltage protection ensures system safety - Soft-start function prevents inrush current during startup - Power good indicators enable easy monitoring of output status - Clock synchronization capability facilitates system integration

Disadvantages: - Limited maximum output current per channel (1.5A) - Requires external boost capacitors for each channel

Working Principles

The ISL78302AARGCZ is based on a synchronous buck converter topology. It takes an input voltage within the range of 2.7V to 5.5V and converts it into three adjustable output voltages between 0.8V and 3.6V. The integrated control circuitry ensures high efficiency by minimizing power losses during conversion.

The IC provides independent control for each output channel, allowing different voltages to be generated simultaneously. Overcurrent and overvoltage protection mechanisms safeguard the system from potential faults or abnormal conditions.

During startup, the soft-start function gradually ramps up the output voltages to prevent excessive inrush current. Power good indicators signal when each output channel has reached its stable operating condition.

Clock synchronization capability enables precise timing coordination with other components in the system, enhancing overall performance and reliability.

Detailed Application Field Plans

The ISL78302AARGCZ is widely used in various applications that require multiple output channels with high efficiency power management. Some typical application fields include:

Industrial Automation: Control systems, motor drives, and power

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací ISL78302AARGCZ v technických řešeních

Sure! Here are 10 common questions and answers related to the application of ISL78302AARGCZ in technical solutions:

Q: What is ISL78302AARGCZ? A: ISL78302AARGCZ is a high-performance, low-power, 12-bit, 8-channel analog-to-digital converter (ADC) designed for various applications.
Q: What is the operating voltage range of ISL78302AARGCZ? A: The operating voltage range of ISL78302AARGCZ is typically between 2.7V and 5.5V.
Q: How many channels does ISL78302AARGCZ have? A: ISL78302AARGCZ has 8 channels, allowing it to simultaneously convert up to 8 analog signals.
Q: What is the resolution of ISL78302AARGCZ? A: ISL78302AARGCZ has a resolution of 12 bits, providing precise digital representation of analog signals.
Q: What is the maximum sampling rate of ISL78302AARGCZ? A: The maximum sampling rate of ISL78302AARGCZ is 1MSPS (million samples per second).
Q: Does ISL78302AARGCZ support differential inputs? A: Yes, ISL78302AARGCZ supports both single-ended and differential inputs, offering flexibility in signal acquisition.
Q: Can ISL78302AARGCZ operate in low-power modes? A: Yes, ISL78302AARGCZ features multiple power-saving modes, including standby and power-down modes, to minimize power consumption.
Q: What is the interface used to communicate with ISL78302AARGCZ? A: ISL78302AARGCZ uses a serial peripheral interface (SPI) for communication with microcontrollers or other digital devices.
Q: Does ISL78302AARGCZ have built-in voltage reference? A: Yes, ISL78302AARGCZ includes an internal voltage reference, eliminating the need for an external reference source.
Q: What are some typical applications of ISL78302AARGCZ? A: ISL78302AARGCZ is commonly used in industrial automation, data acquisition systems, medical equipment, and automotive applications where high-precision analog-to-digital conversion is required.

Please note that these answers are general and may vary depending on specific datasheet and application requirements.