Jiaxing Tech-leading information technology Co., Ltd. EW-BLED-26 Bluetooth module V1.
Jiaxing Tech-leading information technology Co., Ltd. About this Manual << EW‐BLED‐26 Module Specifications>> provides an introduction to the basic functions of the EW‐BLED‐26 module, including its electrical specifications, RADIO frequency performance, pin size, and reference schematic design.Readers can refer to this document for a detailed understanding of the overall functional parameters of the module. Revision history Rev. Information management Rev No. V1.0 Date 2020.12.
Jiaxing Tech-leading information technology Co., Ltd. Contents About this manual......................................................................................................2 1. 2. 3. 4. 5. Revision history...........................................................................................................2 Contents.......................................................................................................................3 Profile..............................................
Jiaxing Tech-leading information technology Co., Ltd. 1.Profile 1.1 Features EW‐BLED ‐26 is a small and low‐cost BT and BLE 5.0 dual‐mode Bluetooth module developed by Jiangsu Tech‐leading Co., Ltd. The features of this module are as follows： Built‐in high performance RISC 32‐bit CPU, 160MHz main frequency, 512KB Flash, 128KB RAM Meet Bluetooth 5.0 standard, support 1 Mbps, 500 Kbps,125 Kbps rate Transmitting power: BLE:4.82dBm; BR(GFSK):0.24dBm; EDR(π/4-DQPSK):1.02dBm .
Jiaxing Tech-leading information technology Co., Ltd. The EW‐BLED‐26 module needs to connect the four lines of VCC,GND,TX and RX to complete the data transmission and communication function, and can customize the specific communication protocol and customization function under the specific application environment according to the needs of customers.After the module is configured, you can use relevant hand software to test the communication data function.
Jiaxing Tech-leading information technology Co., Ltd. 2. Electrical specifications Absolute Maximum Ratings Rating Min Max Unit Supply Voltage VCC 2.2 5.5 V I/O Voltage ALDO_OUT 2.2 3.6 V Storage Tstr ‐20 70 ºC Temperature Attention: The electrical characteristics listed are target specifications for reference only.Some of the data may be updated based on actual test results The voltage values shown are based on GND in the module.
Jiaxing Tech-leading information technology Co., Ltd. Audio CODEC Digital to Analogue Converter(Mono) PARAMETER CONDITIONS MIN TYP MAX UNIT Resolution ‐ ‐ ‐ 20 Bits Sampling frequency The synchronized clock 8 48 kHz Fin=1kHz SNR (Signal to Noise Ratio) B/W=20Hz—20KHz A‐Weighted THD_N<0.01% 92 Fs(8K,16K,32K,44.1K,48K) dB Digital Gain Digital Gain ‐48 32 dB Analogue Gain Analog Gain Resolution = 0 ‐30 dB Output voltage VDDA=2.
Jian ngsu Tech‐Leading In nfo techno ology Co., Ltd. d ption 3. Pins descrip 3.
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Jiaxing Tech-leading information technology Co., Ltd. 4.2 Module size 4‐1 Top View (Seen from Top) Bottom View (Seen from Bottom) 4‐ 2 Module thickness Note: Tech‐Leadingcompany reserves the right to select components from different suppliers to realize the function of modules.All mechanical, electrical specifications and module certifications are maintained.
Jiaxing Tech-leading information technology Co., Ltd. Table 4-3 Module design size /HQJWK ; PP :LGWK < PP /HQJWK ; PP :LGWK < PP PCB thickness +HLJKW + PP Total module thickness (PCB thickness +HLJKW + PP W\SLFDO Module profile size Antenna location size maximum component height) 4.3 Attention Bluetooth works at the frequency of 2.4GHz, so the influence of various factors on the wireless transceiver should be avoided as far as possible.
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Jiaxing Tech-leading information technology Co., Ltd. 5. Reflow parameter recommendation The reflow parameters can be set as follows： Figure 5‐1 Recommended reflow curv 7HPSHUDWXUH UDQJH 7LPH .H\ SDUDPHWHUV 3UHKHDW ]RQH ℃ 6 5DPS XS UDWH ≤ 6 8QLIRUP WHPSHUDWXUH ]RQH ℃ 6 5DPS XS UDWH 6 5HFLUFXODWLRQ ]RQH ! ℃ 6 3HDN ℃ &RROLQJ ]RQH 5DPS GRZQ UDWH ℃ V≤6ORSH≤ ℃ V Table 5‐1 Recommended parameters for reflow 12
FCC Statement： Any Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference,and (2) this device must accept any interference received, including interference that may cause undesired operation. OEM Guidance 1.
6. Antenna Antenna type: PCB antenna; Antenna Gain: 0 dBi 7. Label and compliance information An exterior label on OEM’s end product can use wording such as the following: “Contains Transmitter Module FCC ID: 2AXDJ-EW-BLED-26” or “Contains FCC ID: 2AXDJ-EW-BLED-26” 8.
