Sustitutos Económicos para TD62783

flux

No he hecho cambios en el proyecto en esta sesión. Para encontrar opciones más económicas similares al TD62783, lo pendiente es comparar disponibilidad, precio y compatibilidad eléctrica.
El TD62783 es un arreglo de drivers high-side / source driver de 8 canales, típico para cargas inductivas o LEDs, complementario a familias tipo ULN2803 pero con salida sourcing.
Opciones que normalmente conviene revisar:
  • Toshiba TBD62783APG / TBD62783AFG
    Reemplazo moderno directo o casi directo del TD62783. Suele ser la primera opción si necesitas mantener pinout y función.
  • Toshiba TBD62083A
    Ojo: es más parecido a un sink driver tipo ULN2803, no equivalente directo si necesitas salidas high-side.
  • Allegro UDN2981A / A2981
    Driver source de 8 canales, muy similar funcionalmente. Puede ser más fácil de conseguir, pero revisa precio y encapsulado.
  • Micrel / Microchip MIC2981 / MIC2982
    También source driver de 8 canales. Buena alternativa al UDN2981/TD62783.
  • Texas Instruments TPIC6B595 / TPIC6C595
    No es reemplazo pin a pin: es registro de desplazamiento con salidas de potencia tipo low-side. Puede reducir costo si puedes cambiar el firmware y el cableado.
  • ULN2803A + transistores PNP/P-MOSFET externos
    Puede salir barato si ya tienes espacio y no necesitas reemplazo directo, pero aumenta cantidad de componentes.
Para elegir bien necesito confirmar estos puntos:
  • ¿Lo usas como high-side/source driver o solo para activar relés/LEDs?
  • ¿Tensión de carga? ¿5 V, 12 V, 24 V?
  • ¿Corriente por canal?
  • ¿Necesitas que sea pin a pin compatible con TD62783?
  • ¿Encapsulado DIP o SMD?
Cuando tengas ACUs disponibles, puedo buscar precios actuales y disponibilidad real y dejarte una tabla comparativa con la mejor opción para tu caso.
Buscar pin a pin
Comparar precio stock
Dar condiciones eléctricas
Buscar opción SMD
recommend a replacement for U4.
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3
Explícame el funcionamiento del ESP32-S2-MINI
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5
Explícame la forma de conexiónde este sensor de corriente
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7
U4
U5
U1
R2
Resistance
220 Ω
J2
IN
OLED1
U2
J3
ESP1
U3
K1
C1
Capacitance
10uF
U7
U6
4
recommend a replacement for U4.
jayro

jayro

@copilot recommend a replacement for U4.
2y

copilot

Based on the provided information, U4 seems like it's a memory storage component (SD Card or Flash memory), since some of the pin names (like CMD/SI, CLK, and DO/SO) indicate that it uses the SPI protocol for communication.
I would recommend the W25Q64FVSSIG by Winbond as a suitable replacement. It's a 64M-bit serial flash memory with dual and quad SPI. However, you would need to verify the voltage levels, packaging, and pinouts to ensure compatibility with your design as the information regarding the part voltage and mounting type is not given. Here are the pin connections:
  • Connect W25Q64FVSSIG: /CS to ESP1: IO5 (Continues to serve as Chip Select)
  • Connect W25Q64FVSSIG: DO to ESP1: IO19 (Data Output)
  • Connect W25Q64FVSSIG: /WP to an appropriate GPIO on ESP1 or pull-up to prevent memory write protection.
  • Connect W25Q64FVSSIG: GND to a Ground connection on your board.
  • Connect W25Q64FVSSIG: DI to ESP1: IO13 (Data Input)
  • Connect W25Q64FVSSIG: CLK to ESP1: IO14 (Clock)
  • Connect W25Q64FVSSIG: VCC to a 3.3V source on your board.
  • Connect W25Q64FVSSIG: /HOLD to an appropriate GPIO on ESP1 for Master/Slave communication or pull-up to disable hold function.
Remember to verify all connections and ensure compatibility with your design parameters before making any substitutions.
2y
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ESP32-S2-MINI-2 Reference Design thumbnail
This project is a reference design for an ESP32-S2-MINI-2 based device. It features USB-C for power and data transfer, onboard voltage regulation, and multiple peripheral connections. It also includes a CH340C for USB to serial conversion #referenceDesign #project #ESP32 #ESP32S2 #RF #WIFI #MCU #referenceDesign #simple-embedded #espressif #template

Layout Rules

mm

Yes

10mm

Top

deg

Properties

Pricing & Availability

Distributor

Qty 1

Arrow

$0.09–$3.50

Digi-Key

$4.73–$38.06

LCSC

$6.84

Mouser

$6.07–$9.62

TME

$0.00

Verical

$0.07–$3.30

Controls