TI recommends a 4-layer PCB with a solid ground plane, and placing the BQ32000D near the battery to minimize noise and EMI. A good layout should also ensure that the crystal oscillator is placed close to the BQ32000D and that the crystal load capacitors are placed as close to the crystal as possible.
To ensure accurate timekeeping, use a high-quality crystal oscillator with a frequency tolerance of ±20 ppm or better. Also, ensure that the crystal oscillator is properly matched to the BQ32000D's internal capacitance, and that the PCB layout is optimized for minimal noise and EMI.
TI recommends powering up the BQ32000D in the following sequence: VCC, then VBAT, and finally the oscillator. This sequence helps prevent latch-up and ensures proper device operation.
The BQ32000D has multiple power modes, including shutdown, sleep, and low-power modes. To handle these modes, use the device's control registers to configure the power modes, and ensure that the system design takes into account the power mode transitions and associated timing requirements.
When using the BQ32000D in a battery-powered system, consider the device's low-power modes, battery life, and power consumption. Optimize the system design to minimize power consumption, use low-power modes when possible, and ensure that the battery life meets the system requirements.
Trust Checks
This model has been provided by community users.
Community Provided
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored
BQ32000D Overview
Use the download button to access the BQ32000D schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like BQ320,
or try a keyword search, such as Timers or RTCs
About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
