Data Sheet
Table Of Contents
- CYBT-213066-02, CYBT-213067-02, EZ-BT Module
- General Description
- Benefits
- More Information
- Contents
- Overview
- Pad Connection Interface
- Recommended Host PCB Layout
- Module Connections
- Connections and Optional External Components
- Critical Components List
- Antenna Design
- Bluetooth Baseband Core
- Power Management Unit
- Integrated Radio Transceiver
- Microcontroller Unit
- Peripherals and Communication Interfaces
- Electrical Characteristics
- Chipset RF Specifications
- Timing and AC Characteristics
- Environmental Specifications
- Regulatory Information
- Packaging
- Ordering Information
- Acronyms
- Document Conventions
- Document History Page
- Sales, Solutions, and Legal Information
Document Number: 002-30628 Rev. ** Page 16 of 46
PRELIMINARY
CYBT-213066-02
CYBT-213067-02
Power Management Unit
Figure 9 shows the CYW20819 power management unit (PMU) block diagram. The CYW20819 includes an integrated buck regulator,
a digital LDO for the digital core, and an RF LDO for the Radio. The PMU also includes a brownout detector which places the part in
shutdown when input voltage is below a certain threshold.
Figure 9. Default Usage Mode