Product Overview
The Goodix GR5405 is a highly integrated, high-performance, low-power automotive Bluetooth LE 5.3 SoC. This device is AEC-Q100 Grade 2 certified and features an extensive operating temperature range from -40°C to 105°C. It is ideal for various automotive applications, including digital car key and Tire Pressure Monitoring System (TPMS).
Based on Arm® Cortex®-M4F CPU core running at 64 MHz, the GR5405 integrates a 2.4 GHz RF transceiver, Bluetooth LE 5.3 protocol stack, 512 KB on-chip Flash memory, 96 KB system SRAM, and a rich set of peripherals. It provides outstanding RF performance, with a maximum TX power of +15 dBm, an RX sensitivity of -99 dBm in Bluetooth LE 1 Mbps mode, achieving an overall link budget of up to 114 dB.
With two main power supply schemes (DC-DC and system LDO), the device offers flexible options to achieve a balance between low power consumption and economical BOM.
Detailed device configurations are listed in the table below.
| Part Number |
GR5405BENE |
|---|---|
| CPU |
Cortex®-M4F |
| RAM |
96 KB |
| SiP Flash |
512 KB |
| I/O number |
24 |
| Operating temperature |
-40°C to 105°C |
| Package (mm) |
Wettable flank-plated QFN40 (6 x 6 x 0.75) |
