TLSR827x Series

Telink’s new generation TLSR827x series presents state of the art ultra low power (ULP) concurrent multi-protocol IoT solution at ISM 2.4GHz band. It has protocol full support for Bluetooth® LE 5.1. It also supports both Telink proprietary and Bluetooth® SIG Mesh, Zigbee, RF4CE, HomeKit, Thread, ANT and 2.4GHz proprietary.

The TLSR827x is built around a 32-bit MCU running up to 48MHz. It has 14bit ADC with PGA, AMIC, DMIC, stereo audio output, 6-channel PWM, one quadrature decoder (QDEC), and flexible GPIO interfaces.

Compared with TLSR825x, the TLSR827x series has a few salient features: Allows flexible antenna element switch to fully support Bluetooth® LE 5.1, RF Inductor integrated enabling BOM Reduction, Audio Enhancement, WiFi PTA hardware interface.


Part Number SRAM Flash Protocol Package Size Test Report
TLSR8278F1KET48 64KB 1MB Multi-mode, Bluetooth LE5.1, AoA/AoD QFN 7x7, 48 pins RoHS
TLSR8273F512ET48 64KB 512KB Bluetooth LE5.1+SIG Mesh+2.4G, AoA/AoD, RF4CE QFN 7x7, 48 pins RoHS
TLSR8271F512ET48 32KB 512KB Bluetooth LE5.1+2.4G+Telink Mesh, AoA/AoD QFN 7x7, 48 pins RoHS
TLSR8271F512ET32 32KB 512KB Bluetooth LE5.1+2.4G+Telink Mesh, AoA/AoD QFN 5x5, 32 pins RoHS

For other packages options, please contact Telink Sales team


Download TLSR8278 Datasheet

Download TLSR8273 Datasheet

Download TLSR8271 Datasheet

Software Development Kit

Quick Guide
SDK Download
SDK Development Manual
Bluetooth LE Single Connection TLSR8278/8273/8271 SDK V1.1.1 null
Bluetooth LE Multi Connection TLSR8278/8273/8271 SDK V4.0.0 3e2dbd7848d33f0b8d70e3c9af69bd4d57356002fd95fde9e62870b76d9330b2
Bluetooth Mesh TLSR8278/8273 Bluetooth Mesh Quick Guide SDK V3.3.3 Development Manual 00d2d32202810d7af5ad13f5bc687f0f8e4b4f18fb881bb9a072a1a8260312a7
Telink Mesh TLSR8278/8273/8271 Telink Mesh Quick Guide SDK V1.R.0 and Tools/patch Development Manual f8cdc3ec8480bb62a553249ac9a390aa6cef58e14a7b14beadd2f6dcd38ede4b
AoA/AoD TLSR8278/8273/8271 SDK V1.0.0 Position Solution Introduction null
2.4G Proprietary TLSR8278/8273/8271 SDK V3.3.0 85352c0f8da91d09956cc0c5c096e9ff602106e01f6c3f9df3c557c3a4505c2b
RF4CE TLSR8278/8273 RF4CE SDK Guide SDK V2.3.3
PC Tool
Zigbee TLSR8278 SDK V3.6.5.0 Development Manual
Development Manual (CN)
Driver TLSR8278/8273/8271 SDK V1.1.0 30e393fbc7dbf2c6e65bc0990ac49de66f305923442e9eff690873aced8a4e04

* For more details, please contact Telink Sales Team

Development Kit and Application Boards

TLSR827X Hardware Design Guide

S/N Product Name Category Design Document
TLSR8278DK48D TLSR8278 Development Board Development Board Reference Design
TLSR8278DG48D TLSR8278 Dongle Application Board Reference Design
TLSR8278ARC48D TLSR8278 Audio RCU Application Board FR1 Reference Design
FR4 Reference Design
TLSR8278IP48D TLSR8278 Indoor Positioning Board Application Board Reference Design