BK1662 GNSS Soc chips

BK1662 is a fully integrated single-chip L1/L5 dual band GNSS solution designed specifically for applications that require low power consumption and high performance. BK1662 significantly improves real-world positioning and TTFF performance through optimized multi band and multi-mode signal tracking, advanced anti multipath technology, and anti-interference RF front-end.

BK1662 adopts advanced firmware and low-power hardware design. It provides ultra-low power consumption without affecting performance.

BK1662 has low power consumption and high performance, making it an ideal choice for many different applications, especially wearable IoT, global navigation satellite system modules, trackers, drones, and car navigation.

Characteristics

Global Navigation Satellite System

200 tracking channels with fast search engines

• Supports GPS L1, Beidou B1, Galileo E1, QZSS L1, GLONASS G1

Support GPS L5, Beidou B2A, Galileo E5, QZSS L5, IRNSS

Cold collection sensitivity: -148 dBm

Thermal collection sensitivity: -159 dBm

Recapture sensitivity: -159 dBm

Tracking sensitivity: -163 dBm

Update rate: 1~25 Hz

Horizontal position accuracy: 1.5 m CEP

• Cold TTFF: 28 seconds

AGPS TTFF: 1.5 seconds

Hot TTFF: 1.0 seconds

• Support SBAS

• Support for Global Positioning System

Support batch data reporting mode

• Supports NMEA0183

Kernel and memory

32-bit DSP with frequencies up to 350 MHz

• Single and double floating-point support

Embedded flash memory

Random Access Memory/Read Only Memory

• 32 KB cache

256 bit efuse

UART/JTAG for downloading and debugging

Clock management

External oscillator: 26 MHz TCXO

Internal oscillator: 26 MHz crystal oscillator (X26M), 32 kHz crystal oscillator (X32K), and ring oscillator (ROSC32K)

350 MHz phase-locked loop

energy management

2.8 to 4.2 V VBAT power supply

On chip power on reset (POR) and power off detector (BOD)

Embedded LDO voltage regulator

Embedded DC-DC converter

Low power consumption:

-Continuous L1/L5 mode: 20mA

-Continuous L1 mode: 12mA

-Sleep mode: 22 μ A

Peripheral

17 GPIOs

3 UARTs, 1 supporting flash download

• 1 I2C

• 1 SPI

10 bit SAR ADC, 1 channel

1 watchdog

2 universal 32-bit timers/counters

1 low-power RTC timer

1 temperature sensor

Encapsulation

QFN40 package, 5mm x 5mm

Working temperature range: -40 to+105 ° C