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文档中心 > GR5405 Datasheet/ Product Overview Copy URL

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.

Table 1 GR5405 configurations
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)

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