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Programmable Bluetooth® LE 5.2 Wireless SoC

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1 - 9$4.610%
10 - 20$4.238%
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Parameter NameParameter Value
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius85.0
Operating Voltage Min Volt1.7
Operating Voltage Max Volt3.6
ECCN US5A992.c
Packing TypeTape And Reel
RoHs compliantEcopack2
Package NameVFQFPN 32 5x5x1.0 mm

The BlueNRG-LP is an ultra-low power programmable Bluetooth® Low Energy wireless SoC solution. It embeds STMicroelectronics’s state-of-art 2.4 GHz RF radio IPs combining unparalleled performance with extremely long-battery lifetime. It is compliant with Bluetooth® Low Energy SIG core specification version 5.2 addressing point-to-point connectivity and Bluetooth Mesh networking and allows large-scale device networks to be established in a reliable way. The BlueNRG-LP is also suitable for 2.4 GHz proprietary radio wireless communication to address ultra-low latency applications.

The BlueNRG-LP embeds a Cortex®-M0+ microcontroller that can operate up to 64 MHz and also the BlueNRG core coprocessor (DMA based) for Bluetooth Low Energy timing critical operations.

The main Bluetooth® Low Energy 5.2 specification supported features are:

2 Mbps data rate, long range (Coded PHY), advertising extensions, channel selection algorithm #2, GATT caching, hardware support for simultaneous connection, master/slave and multiple roles simultaneously, extended packet length support.

In addition, the BlueNRG-LP provides enhanced security hardware support by dedicated hardware functions:

True random number generator (RNG), encryption AES maximum 128-bit security co-processor, public key accelerator (PKA), CRC calculation unit, 64-bit unique ID, Flash memory read and write protection.

The BlueNRG-LP can be configured to support standalone or network processor applications. In the first configuration, the BlueNRG-LP operates as single device in the application for managing both the application code and the Bluetooth Low Energy stack.

The BlueNRG-LP embeds high-speed and flexible memory types:

Flash memory of 256 kB, RAM memory of 64 kB, one-time-programmable (OTP) memory area of 1 kB, ROM memory of 7 kB.

Direct data transfer between memory and peripherals and from memory-to-memory is supported by eight DMA channels with a full flexible channel mapping by the DMAMUX peripheral.

The BlueNRG-LP embeds a 12-bit ADC, allowing measurements of up to eight external sources and up to three internal sources, including battery monitoring and a temperature sensor.

The BlueNRG-LP has a low-power RTC and one advanced 16-bit timer.

The BlueNRG-LP features standard and advanced communication interfaces:

1x SPI, 2x SPI/I2S, 1x LPUART, 1x USART supporting ISO 7816 (smartcard mode), IrDA and Modbus mode, 2x I2C supporting SMBus/PMBus, 1x channel PDM.

The BlueNRG-LP operates in the -40 to +105 °C temperature range from a 1.7 V to 3.6 V power supply. A comprehensive set of power-saving modes enables the design of low-power applications.

The BlueNRG-LP integrates a high efficiency SMPS step-down converter and an integrated PDR circuitry with a fixed threshold that generates a device reset when the VDD drops under 1.65 V.

The BlueNRG-LP comes in different package versions supporting up to:

32 I/Os for the QFN48 package, 20 I/Os for the QFN32 package, 30 I/Os for the WCSP49 package.

Key features
  • Bluetooth Low Energy system-on-chip supporting Bluetooth 5.2 specifications
    • 2 Mbps data rate
    • Long range (Coded PHY)
    • Advertising extensions
    • Channel selection algorithm #2
    • GATT caching
  • Radio
    • RX sensitivity level: -97 dBm @ 1 Mbps, -104 dBm @ 125 kbps (long range)
    • Programmable output power up to +8 dBm (at antenna connector)
    • Data rate supported: 2 Mbps, 1 Mbps, 500 kbps and 125 kbps
    • 128 physical connections
    • Integrated balun
    • Support for external PA
    • BlueNRG core coprocessor (DMA based) for Bluetooth Low Energy timing critical operation
    • 2.4 GHz proprietary radio driver
    • Suitable for systems requiring compliance with the following radio frequency regulations: ETSI EN 300 328, EN 300 440, FCC CFR47 part 15, ARIB STD-T66
  • Ultra-low power radio performance
    • 10 nA in SHUTDOWN mode (1.8 V)
    • 0.6 uA in DEEPSTOP mode (with external LSE and BLE wake-up sources, 1.8 V)
    • 0.9 uA in DEEPSTOP mode (with internal LSI and BLE wake-up sources, 1.8 V)
    • 4.3 mA peak current in TX (@ 0 dBm, 3.3 V)
    • 3.4 mA peak current in RX (@ sensitivity level, 3.3V)
  • High performance and ultra-low power Cortex-M0+ 32-bit, running up to 64 MHz
  • Dynamic current consumption: 18 µA/MHz
  • Operating supply voltage: from 1.7 to 3.6 V
  • -40 ºC to 105 ºC temperature range
  • Supply and reset management
    • High efficiency embedded SMPS step-down converter with intelligent bypass mode
    • Ultra-low power power-on-reset (POR) and power-down-reset (PDR)
    • Programmable voltage detector (PVD)
  • Clock sources
    • Fail safe 32 MHz crystal oscillator with integrated trimming capacitors
    • 32 kHz crystal oscillator
    • Internal low-power 32 kHz RO
  • On-chip non-volatile Flash memory of 256 kB
  • On-chip RAM of 64 kB or 32 kB
  • One-time-