Overview
The ADP191ACBZ-R7 is a high-side power switch integrated circuit (IC) manufactured by Analog Devices Inc. This component is part of the ADP190/ADP191 series, designed for operation from 1.1 V to 3.6 V. It is particularly suited for applications requiring power domain isolation and is ideal for battery-operated portable equipment due to its low shutdown current. The ADP191ACBZ-R7 features a compact 4-ball Wafer Level Chip Scale Package (WLCSP) with dimensions of 0.8 mm × 0.8 mm, making it highly space-efficient for modern electronic designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Analog Devices Inc. | |
| Part Number | ADP191ACBZ-R7 | |
| Package | 4-WFBGA, WLCSP | |
| Number of Pins | 4 | |
| Number of Outputs | 1 | |
| Output Type | P-Channel | |
| Output Configuration | High Side | |
| Input Voltage Range | 1.1 V to 3.6 V | V |
| Maximum Output Current | 500 mA | A |
| Rds On (Typ) | 80 mΩ | Ω |
| Turn-On Delay Time | 80 μs | μs |
| Operating Temperature Range | -40°C to +85°C | °C |
Key Features
- Compact Package: The ADP191ACBZ-R7 comes in an ultrasmall 4-ball WLCSP package, measuring 0.8 mm × 0.8 mm, which is ideal for space-constrained designs.
- Low Shutdown Current: The IC has a very low shutdown current, making it suitable for battery-operated devices.
- Slew Rate Controlled Turn-On: The ADP191 controls the turn-on slew rate to reduce inrush current, which helps in managing power efficiently.
- Internal Output Discharge Resistor: An internal resistor is included to discharge the output capacitance when the switch is disabled, ensuring safe and efficient operation.
- Compatibility with Modern Processors: The built-in level shifter for enable logic makes the ADP191 compatible with modern processors and GPIO controllers.
Applications
- Battery-Operated Portable Equipment: The low shutdown current and compact design make the ADP191ACBZ-R7 ideal for use in portable devices such as smartphones, tablets, and other handheld electronics.
- Power Domain Isolation: This IC is used to provide power domain isolation in various electronic systems, ensuring that different power domains within a system can be controlled independently.
- General Purpose Power Switching: The ADP191ACBZ-R7 can be used in a variety of applications requiring high-side power switching, including consumer electronics, industrial control systems, and automotive electronics.
Q & A
- What is the operating voltage range of the ADP191ACBZ-R7?
The ADP191ACBZ-R7 operates from 1.1 V to 3.6 V.
- What is the maximum output current of the ADP191ACBZ-R7?
The maximum output current is 500 mA.
- What is the typical on-state resistance (Rds On) of the ADP191ACBZ-R7?
The typical on-state resistance is 80 mΩ.
- What is the turn-on delay time of the ADP191ACBZ-R7?
The turn-on delay time is approximately 80 μs.
- Does the ADP191ACBZ-R7 have built-in protections?
The ADP191ACBZ-R7 includes features like slew rate controlled turn-on and an internal output discharge resistor but does not specify additional fault protections like overcurrent or thermal protection).
- What is the package type of the ADP191ACBZ-R7?
The ADP191ACBZ-R7 comes in a 4-ball Wafer Level Chip Scale Package (WLCSP)).
- What is the operating temperature range of the ADP191ACBZ-R7?
The operating temperature range is -40°C to +85°C).
- Is the ADP191ACBZ-R7 RoHS compliant?
Yes, the ADP191ACBZ-R7 is RoHS compliant).
- What are some typical applications of the ADP191ACBZ-R7?
Typical applications include battery-operated portable equipment, power domain isolation, and general purpose power switching in consumer electronics, industrial control systems, and automotive electronics).
- Does the ADP191ACBZ-R7 require any external capacitors for operation?
No, the ADP191ACBZ-R7 does not require any input or load capacitors, although capacitors can be used to suppress noise on the board).
