Product
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IS1870
  • IS1870

IS1870

In Production

Microchip's IS1870 BLE ICs are designed for App-enabled accessories and IoT (Internet of Things) through Bluetooth® LE connectivity. It is available in the 2.4GHz ISM band radio, and is certified to Bluetooth Core Specification Version 5.0.The IS1870 allows customers to finish their design faster and more efficiently. It combines both the transceiver and baseband functions to decrease the external components. In addition, the free Bluetooth stack firmware is provided enabling products to quickly become embedded Bluetooth LE solution. For portable and wearable applications, the product's optimized power design minimizes current consumption for extended battery life and minimal package size.The BM-70-PICtail or BM70 modules are recommended for evaluation. Please cont...

Microchip Technology IS1870 Product Info

16 April 2026 0

Parameters

ADC Channels

16

GPIO

31

Host Interface

UART

PWM

3

Package Size (mm)

6 x 6

Pin Count

48

RSSI

Yes

RX Sensitivity (dBm)

-90

SPI

No

Temp Sensor

No

TX Output Power (dBm)

0

Operating Temp (°C) Min

-40

Operating Temp (°C) Max

85

Operating Voltage (V) Min

1.9

Operating Voltage (V) Max

3.6

Command Interface

NA

Flash (KB)

256

Encryption

AES128

Features

  • Bluetooth 5 Certified
  • 1.9V~3.6V (VDD) operating range
  • Low-power consumption
  • Average current: TX 3.87mA/RX 3.06mA with Buck,@ VBAT=3.0V and 18.75ms Connection Interval
  • UART interface
  • Main X’tal : 32MHz
  • 256K Bytes embedded flash memory
  • Temperature sensor supported
  • Flexible GPIO pin configuration
  • 3 channels PWM supported
  • 16-ch 12 bits ADC supported for battery and voltage detection
  • Provides proprietary BeaconThings® service
  • ISM Band 2.402 to 2.480 GHz operation
  • Channels 0-39
  • Rx sensitivity: -90dBm@ BLE, typical
  • Programmable Tx Power: -25 to +3 dBm
  • RSSI monitor
  • Available in certified modules BM70

    • Description

    Microchip's IS1870 BLE ICs are designed for App-enabled accessories and IoT (Internet of Things) through Bluetooth® LE connectivity. It is available in the 2.4GHz ISM band radio, and is certified to Bluetooth Core Specification Version 5.0.


    The IS1870 allows customers to finish their design faster and more efficiently. It combines both the transceiver and baseband functions to decrease the external components. In addition, the free Bluetooth stack firmware is provided enabling products to quickly become embedded Bluetooth LE solution. For portable and wearable applications, the product's optimized power design minimizes current consumption for extended battery life and minimal package size.


    The BM-70-PICtail or BM70 modules are recommended for evaluation. Please contact your authorized Microchip representative if IC samples are required.


    Firmware Release Summary, see Software Release Notes for details:

    FW 2.04 (online only) - fixed ANSII vulnerabilities and other bugs for IS1870, IS1871, BM70, BM71.

    BM70BLEx1FC2-0B05BA - FW 2.03 is a maintenance release for IS1870, IS1871, BM70, and BM71. Firmware version 2.0.3 adds new features/ removes limitations in previous release 1.11 and fixes Sweyntooth vulnerability.

    BM70BLEx1FC2-0B04AA - FW 1.11 - Fixes bug with invalid Bluetooth address. Refer to Errata document for more information.

    BM70BLEx1FC2-0B03AA - FW 1.06 - Added support for the BM71 among other bug fixes. 

    BM70BLEx1FC2-0002AA - FW 1.03 - Initial Release.

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