Overview
The PCA9570GMH, produced by NXP USA Inc., is a CMOS device designed to provide 4 bits of general-purpose parallel output (GPO) expansion. This remote 4-bit GPO is particularly suited for low voltage processor and handheld battery-powered mobile applications. It operates at 1 MHz I2C-bus speeds, ensuring backward compatibility with Fast-mode (400 kHz) and Standard-mode (100 kHz). The device features low current consumption, small packaging options, and a low operating voltage range of 1.1 V to 3.6 V, making it ideal for applications where space and power efficiency are critical.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Voltage Range | 1.1 to 3.6 | V |
| I2C-bus Speed | Up to 1 MHz | |
| Output Type | 4-bit push-pull outputs | |
| Output Current Drive Capability | 4 mA at 3.3 V | |
| Package Type | XQFN8 (8 terminals) | |
| Package Dimensions | 1.6 x 1.6 x 0.5 mm | |
| Ambient Temperature Range | -40 to 85°C | |
| ESD Protection | 2000 V HBM, 1000 V CDM |
Key Features
- Low current consumption and small packaging options, making it suitable for battery-powered mobile applications.
- Latched outputs with a sink/source capability of 4 mA at 3.3 V.
- Software reset and Power-On Reset (POR) features to initialize the device to its default state.
- Compliant with I2C-bus fast and standard modes, ensuring backward compatibility.
- ESD protection exceeding 2000 V HBM and 1000 V CDM, and latch-up testing to JEDEC standard JESD78.
- Low standby current, contributing to power efficiency.
Applications
- Battery-powered mobile applications such as smartphones and tablets.
- Portable medical equipment and instrumentation.
- Test and measurement devices where additional outputs are needed without increasing interconnections and floor space.
- Other applications requiring low voltage, low current, and compact I/O expansion.
Q & A
- What is the PCA9570GMH used for? The PCA9570GMH is used to provide 4 bits of general-purpose parallel output (GPO) expansion in low voltage processor and handheld battery-powered mobile applications.
- What are the operating voltage and I2C-bus speed of the PCA9570GMH? The operating voltage range is 1.1 V to 3.6 V, and it operates at up to 1 MHz I2C-bus speed.
- What is the output current drive capability of the PCA9570GMH? The device has a sink/source capability of 4 mA at 3.3 V.
- What type of package does the PCA9570GMH come in? It comes in an XQFN8 package with 8 terminals, measuring 1.6 x 1.6 x 0.5 mm.
- What are the ambient temperature and storage temperature ranges for the PCA9570GMH? The ambient temperature range is -40 to 85°C, and the storage temperature range is -65 to 150°C.
- Does the PCA9570GMH have any reset features? Yes, it includes both Power-On Reset (POR) and Software Reset features.
- What kind of ESD protection does the PCA9570GMH offer? It offers ESD protection exceeding 2000 V HBM and 1000 V CDM.
- In what types of applications is the PCA9570GMH commonly used? It is commonly used in battery-powered mobile applications, portable medical equipment, and test and measurement devices.
- Is the PCA9570GMH backward compatible with other I2C-bus modes? Yes, it is backward compatible with Fast-mode (400 kHz) and Standard-mode (100 kHz) I2C-bus.
- What is the typical standby current of the PCA9570GMH? The device has low standby current, contributing to its power efficiency.
