RTB_D21
git4dcc
DCC / Railcom decoder (Next18, double sided)
Components (23)
| Reference | Value | Description |
|---|---|---|
| IC1 | AVR64DD28-I_STX | 8-bit Microcontrollers - MCU 64KB, 8KB RAM, 28p, 24MHz, MVIO, 12b ADC, ZCD, DAC, 2xUART, SPI, TWI |
| IC2 | NCP730BMT330TBG | -40℃~+125℃@(Tj) 1 1.8uA 150mA 195uVrms 3.3V 38V 480mV@(150mA) 80dB@(10Hz) Fixed Positive Under Voltage Lockout、Over Current Protection、Over Temperature Protection、Enable WDFN-6-EP(2x2) Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS |
| IC3 | DRV8231ADSGR | DRV8231: 4.5-V to 33-V, 600-m, shunt |
| Q1 | BC847BDW1 | -65℃~+150℃ 100MHz 100mA 2 NPN 200 300mV 300mW 45V 5V 5uA NPN SOT-666-6 Bipolar (BJT) ROHS |
| Q2 | BC857BDW1 | -65℃~+150℃ 100MHz 100mA 2 PNP 200@2mA,5V 300mW 400mV@10mA,5mA 45V 5V 5uA PNP SOT-666-6 Bipolar (BJT) ROHS |
| Q3-Q6 | PMZB200UNEYL | N-Channel 30 V 1.4A (Ta) 350mW (Ta), 6.25W (Tc) Surface Mount DFN1006B-3 |
| C1,C5,C8,C9 | 10u/6.3V | 10uF 6.3V X5R ±20% 0402 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS |
| C2,C4,C7 | 10u/25V | 10uF 25V X5R ±20% 0603 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS |
| C6 | 1u/50V | 1uF 25V X5R ±10% 0402 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS |
| C10 | 100n/50V | 100nF 50V X7R ±10% 0402 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS |
| D1 | LED | -30℃~+85℃ 130° 2.6V~3.6V 20mA 45mcd 463nm~475nm 465nm 72mW Blue Discrete Diode 0402 LED Indication - Discrete ROHS |
| D2-D7 | NSR20F40NXT5G | 1 Independent 150uA@40V 2A 40V 550mV@2A 0603 Schottky Diodes ROHS |
| J1-J3 | pad | |
| J10 | Next18 | AXK6F16347YG |
| R1,R2,R15,R17 | 33k | -55℃~+155℃ 33kΩ 50V 62.5mW Thick Film Resistor ±1% ±100ppm/℃ 0402 Chip Resistor - Surface Mount ROHS |
| R3 | 3.3k | -55℃~+155℃ 4.7kΩ 50V 62.5mW Thick Film Resistor ±1% ±100ppm/℃ 0402 Chip Resistor - Surface Mount ROHS |
| R4 | 22 | -55℃~+155℃ 22Ω 50V 62.5mW Thick Film Resistor ±1% ±100ppm/℃ 0402 Chip Resistor - Surface Mount ROHS |
| R5,R6,R11,R12 | 10k | -55℃~+155℃ 10kΩ 50V 62.5mW Thick Film Resistor ±1% ±100ppm/℃ 0402 Chip Resistor - Surface Mount ROHS |
| R7,R8,R14 | 220k | -55℃~+155℃ 220kΩ 50V 62.5mW Thick Film Resistor ±1% ±100ppm/℃ 0402 Chip Resistor - Surface Mount ROHS |
| R9,R10 | 9.1k | -55℃~+155℃ 50V 62.5mW 9.1kΩ Thick Film Resistor ±1% ±100ppm/℃ 0402 Chip Resistor - Surface Mount ROHS |
| R13 | 1k | -55℃~+155℃ 1kΩ 50V 62.5mW Thick Film Resistor ±1% ±100ppm/℃ 0402 Chip Resistor - Surface Mount ROHS |
| R16,R18 | 12k | -55℃~+155℃ 12kΩ 50V 62.5mW Thick Film Resistor ±1% ±100ppm/℃ 0402 Chip Resistor - Surface Mount ROHS |
| R19 | 1 | -55℃~+155℃ 1Ω 200mW Thick Film Resistor ±1% ±100ppm/℃ 0402 Chip Resistor - Surface Mount ROHS |