Unclassified EV1527 is OTP Encoder utilizing the CMOS technology process. This article mainly covers datasheet, pinout, equivalent, programming, and other details about EV1527. Furthermore, there is a huge range of semiconductors, capacitors, resistors, and ICs in stock. Welcome your RFQ!
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Oct 24, 2021
Colin Motley
IC Station LED Heart Kit and EV1527 Rolling-Code Transmitter
Unclassified
EV1527 is OTP Encoder utilizing the CMOS technology process. This article mainly covers datasheet, pinout, equivalent, programming, and other details about EV1527. Furthermore, there is a huge range of semiconductors, capacitors, resistors, and ICs in stock. Welcome your RFQ!
EV1527
EV1527 is OTP Encoder utilizing the CMOS technology process. With a maximum of 20 bits, the EV1527hai can store up to 1 million codes. It can lessen the chances of code collisions and unauthorized code scanning.
EV1527 Encoder Pinout
| Pin Number | Pin Name | Pin Description |
| 1 | OSC1 | Oscillator input pull-sp R to Vcc |
| 2 | VCC | Positive power supply |
| 3 | VSS | Ground |
| 4 | TXD | Data out Pin |
| 5 | K0 | Data input with pull-low R |
| 6 | K1 | Data input with pull-low R |
| 7 | K2 | Data input with pull-low R |
| 8 | K3 | Data input with pull-low R |
CMOS Technology
Low stand by Current: 1.0uA
Wide range of Operating Voltage: Vcc 3.0～12V
Up to 4 data pins
Total 1048576 address codes
Single Resistor Oscillator
Available in DIP and SOP Package
Transmit For a short distance, serial data
Vehicle safety system
Home automation
Wireless logging
PT2262, 74C922, HT12E
The EV1527 code's structure is critical. A 20-bit code is followed by four-bits that identify the button on each remote. Because of this binding, the ability to correlate different buttons on a transmitter with different modes on the same receiver is limited. One button mode receiver processing may override an existing condition, such as a latched ON being overridden by a momentary ON/OFF.
The multi-channel modules may operate differently; they appear to pick the relay to be controlled using the button identification, and the 20bit code is committed to the mode (ie a particular controller is committed to one mode and the buttons select the relay).
I see that the firmware looks to have flaws, however, this could be due to the firmware's interpretation of 20bit and 4bit codes, as well as the way it stores and searches codes.
On the PCB, there is a 'LEARN' momentary button that is used to program the device in conjunction with the remote transmitter.
The EV1527 integrated circuit can be utilized in a variety of applications. This IC has a 20-bit one-time programmable encoder that uses a CMOS processor, and it can be used in a variety of applications with a pair of decoder ICs. It's a 20-bit encoder IC, which means it can transmit 20-bit data with a compatible decoder pair, and there's a 4-bit address to ensure that the encoder and decoder don't interfere with each other in a there's With 4-bit data, we may make 16 different combinations (24 = 16). These ICs are widely used with RF or IR pairs.
This IC can be used for a variety of applications, including RF transmission, embedded encoding and decoding, and more. This IC's basic application circuit is given below.
EV1527 Encoder Circuit
The EV1527 IC was used to create an RF encoder circuit in the example above. The device's address is set using four buttons; after the IC receives the address, it drives an RF transistor, which drives a tank circuit; this is how the circuit works.
EV1527 Encoder Dimensions
LCHSTAR ELECTRONICS is located in Shenzhen, we have our design, sales, and technical support team as well as our product line and test department. LCHSTAR makes wireless simple by developing and manufacturing wireless products that are easy for engineers of all skill levels to use. The company's RF modules, remote controls, evaluation kits, and master development systems feature straightforward hardware configuration and clear documentation.
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