MCP2050 datasheet(19/40 Pages) MICROCHIP

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 2012-2014 Microchip Technology Inc.

DS20002299C-page 19

MCP2050

2.3

DC Specifications

Electrical Characteristics:

Unless otherwise indicated, all limits are specified for:

VBB = 6.0V to 18.0V, TA = -40°C to +125°C

CREG = 10 µF

Parameter

Sym.

Min.

Typ.

Max.

Units

Conditions

Power

VBB Quiescent Operating

Current

IBBQ

—

200

µA

IOUT = 0 mA,

LBUS recessive

VREG = 5.0V

—

200

µA

IOUT = 0 mA,

LBUS recessive

VREG = 3.3V

VBB Quiescent Operating

Current with Watchdog

Enabled

IBBQWDT

—

250

µA

IOUT = 0 mA,

LBUS recessive

VREG = 5.0V

250

IOUT = 0 mA,

LBUS recessive

VREG = 3.3V

VBB READY Current

IBBRD

—

100

µA

IOUT = 0 mA,

LBUS recessive

VREG = 5.0V

—

100

µA

IOUT = 0 mA,

LBUS recessive

VREG = 3.3V

VBB Ready Current WWDT

Enabled

IBBRDWDT

—

150

µA

With voltage regulator on,

transmitter off, receiver

on, FAULT/TXE = VIL,

CS = VIH,VREG = 5.0V

150

With voltage regulator on,

transmitter off, receiver

on, FAULT/TXE = VIL,

CS = VIH,VREG = 3.3V

VBB Transmitter-Off

Current with Watchdog

Disabled

IBBTO

—

100

µA

With voltage regulator on,

transmitter off, receiver

on, FAULT/TXE = VIL,

CS = VIH,VREG = 5.0V

—

100

µA

With voltage regulator on,

transmitter off, receiver

on, FAULT/TXE = VIL,

CS = VIH,VREG = 3.3V

VBB Power-Down Current

IBBPD

—

4.5

µA

With voltage regulator

powered-off, receiver on

and transmitter off,

FAULT/TXE = VIH,

TXD = VIH, CS = VIL)

VBB Current with VSS

Floating

IBBNOGND

-1

—

1mA

VBB = 12V, GND to VBB,

VLIN = 0-18V

Note 1:

Internal current limited. 2.0 ms maximum recovery time (RLBUS = 0Ω, TX = 0, VLBUS = VBB).

Characterized, not 100% tested.

In Power-Down mode, normal LIN recessive/dominant threshold is disabled; VWK(LBUS) is used to detect

bus activities.

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