ncv7425a ON Semiconductor, ncv7425a Datasheet - Page 4

• Manufacturer Part Number: ncv7425a
• Description: Ncv7425 Lin Transceiver With Voltage Regulator And Reset Pin
• Manufacturer: ON Semiconductor

Overall Functional Description
supports the control of mechatronic nodes in distributed
automotive applications. The domain is class−A multiplex
buses with a single master node and a set of slave nodes.
LIN communication interface with an integrated 3.3 V or
5 V voltage regulator having a current capability up to
150 mA
(microcontroller, CAN node, etc.).
voltage regulator, power−on−reset (POR) circuits and
thermal shutdown (TSD). The LIN transmitter is optimized
for the maximum specified transmission speed of 20 kBaud
Table 3. PIN FUNCTION DESCRIPTION
Pin Number
LIN is a serial communication protocol that efficiently
NCV7425 is designed as a master or slave node for the
NCV7425 contains the LIN transmitter, LIN receiver,
10
12
13
14
15
16
11
1
2
3
4
5
6
7
8
9
for
supplying
OTP_SUP
Pin Name
WAKE
RSTN
TEST
GND
GND
STB
RxD
TxD
V
V
INH
LIN
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EN
CC
BB
any
Battery supply input
LIN bus output/input
Ground
Ground
High voltage digital input pin to switch the part from sleep− to standby mode
Inhibit output
Supply for programming of trimming bits at factory testing, needs to be grounded in the application
not connected
not connected
Digital input for factory testing, needs to be grounded in the application
Enable input for mode control
Standby mode control input
Reset output; open−drain output with an on−chip pull−up resistor
Transmit data input, low in dominant state
Receive data output; low in dominant state; push−pull output
Voltage regulator output
external
OTP_SUP
WAKE
GND
GND
V
INH
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LIN
BB
FUNCTIONAL DESCRIPTION
components
Figure 3. Pin Assignment
1
2
3
4
5
6
7
8
http://onsemi.com
4
with EMC performance due to reduced slew rate of the LIN
output.
shutdown circuit that switches the LIN transmitter and
voltage regulator off when temperature exceeds the TSD
trigger level.
slope mode, stand−by mode, and sleep mode) that are
determined by the input signals EN, WAKE, STB, and TxD.
Operating States
normal operation with communication, one stand−by
without communication and one low power mode with very
low current consumption − see Figure 4 and Table 4.
The junction temperature is monitored via a thermal
NCV7425 has four operating states (normal mode, low
NCV7425 provides four operating states, two modes for
Description
16
15
14
13
12
10
11
9
V
RxD
TxD
RSTN
STB
EN
TEST
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CC