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PDF BD41030FJ-C Data sheet ( Hoja de datos )

Número de pieza BD41030FJ-C
Descripción LIN Transceiver
Fabricantes ROHM Semiconductor 
Logotipo ROHM Semiconductor Logotipo



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Datasheet
LIN Transceiver for Automotive
BD41030FJ-C BD41030HFN-C
General Description
BD41030FJ-C,BD41030HFN-C is the best transceiver
for BUS system which need LIN (Local Interconnect
Network) master and slave protocol.
BD41030FJ-C,BD41030HFN-C is low standby electricity
consumption in sleep mode.
BD41030FJ-C:SOP-J8
BD41030HFN-C:HSON8
Features
Compliant with LIN2.0,LIN2.1,LIN2.2,LIN2.2A
AEC-Q100 Qualified(Note 1)
Absolute maximum ratings of LIN pin is -27V to+40V
Max transmission rate 20kbps
Low Electro Magnetic Emission (EME)
High Electro Magnetic Immunity (EMI)
High impedance at power off for bus
Interface (RXD/TXD) with protocol layer
corresponds to 3.3V/5.0V logic.
Built-in terminator for LIN slave
Standby power consumption in sleep mode
Transmit data(TXD) dominant time-out function
Resistant to LIN-BAT/GND short-circuit
Built-in Thermal Shut Down(TSD)
(Note1:Grade1)
Key Specifications
Supply Voltage:
Supply Current (Sleep mode):
Supply Current:
(Standby mode; Recessive)
Supply Current:
(Normal mode; Recessive)
Supply Current:
(Normal mode; Dominant)
5V to 27V
1μA to 8μA
100μA to 1000μA
100μA to 1000μA
200μA to 2000μA
Package(s)
SOP-J8
W(Typ) x D(Typ) x H(Max)
4.90mm x 6.00mm x 1.65mm
HSON8
SOP-J8(BD41030FJ-C)
2.90mm x 3.00mm x 0.60mm
Applications
LIN communication for Automotive networks.
Typical Application Circuit(s)
HSON8(BD41030HFN-C)
100nF
2.4kΩ
VDD
Micro
Controller
GND
5V/3.3V
Regulator
EN
VIN
VECU
LIN
Bus line
100nF
Only
Master node
INH
BAT
RXD
BD41030FJ-C
TXDBD41030HFNNW-CAKE
10kΩ
33kΩ
NSLP
GND
LIN
(1)
1kΩ
(1) Master:C=1nF; Slave:C=220pF
Figure 1. Typical Application Circuit
Product structure : Silicon monolithic integrated circuit
.www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111 • 14 • 001
This product has no designed protection against radioactive rays
1/21
TSZ02201-0E2E0H500640-1-2
2016.08.18 Rev.002

1 page




BD41030FJ-C pdf
BD41030FJ-C BD41030HFN-C
4. TXD dominant time-out counters Fail-safe function
A TXD dominant time-out counter prevents the bus line from being driven to a permanent dominant state (blocking all
network communication) in case pin TXD input is forced permanently low by a hardware and/or software application
failure. The timer is trigged by a negative edge on pin TXD and in case the value exceeds the internal timer value (tdom),
the transmitter becomes disabled and drives the bus line into a recessive state. The timer is reset by a positive edge on
pin TXD input.
5. Fail-safe function
Pin TXD provides a pull-down to GND in order to force a predefined level on input pin TXD in case the pin TXD is not
connected.
Pin NSLP provides a pull-down to GND in order to force the transceiver into sleep mode in case the pin NSLP is not
connected.
Pin RXD is “Hi-z” in case of lost power supply on pin VBAT.
The output driver at pin LIN will be off when junction temperature exceeds TJ activating the TSD circuit without relation
to input signal at pin TXD. Because the thermal shut down circuitry has a hysteresis band, junction temperature
depends on TXD terminal input signal for the LIN terminal output driver again when 15 degrees Celsius (Typ) degree
falls from detective temperature.
Product structure : Silicon monolithic integrated circuit
.www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111 • 14 • 001
This product has no designed protection against radioactive rays
5/21
TSZ02201-0E2E0H500640-1-2
2016.08.18 Rev.002

5 Page





BD41030FJ-C arduino
BD41030FJ-C BD41030HFN-C
Timing Chart
LIN
RXD
0.5xVBAT
0%
TPropRXDom
50%
0.5xVBAT
TPropRXRec
50%
Figure 5. AC characteristic timing chart
tBit tBit
TXD
LIN
THRec(max)
THDom(max)
THRec(min)
THDom(min)
tBus_dom(max)
tBus_rec(min)
tBus_dom(min)
tBus_rec(max)
Figure 6. Bus timing chart
LIN
TXD
RXD
t<tBus
tBus
t<tgotonorm
VBAT
NSLP
INH
MODE
Sleep
Standby
Norm al
Figure 7. Remote wake-up (SleepStandbyNormal)
Product structure : Silicon monolithic integrated circuit
.www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111 • 14 • 001
This product has no designed protection against radioactive rays
11/21
TSZ02201-0E2E0H500640-1-2
2016.08.18 Rev.002

11 Page







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