NCV7428D13R2G Datasheet PDF - ON Semiconductor
| Part Number | NCV7428D13R2G | |
| Description | System Basis Chip | |
| Manufacturers | ON Semiconductor | |
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NCV7428
System Basis Chip with
Integrated LIN and Voltage
Regulator
Description
NCV7428 is a System Basis Chip (SBC) integrating functions
typically found in automotive Electronic Control Units (ECUs).
NCV7428 provides and monitors the low−voltage power supply for
the application microcontroller and other loads and includes a LIN
transceiver.
Features
• Control Logic
♦ Ensures safe power−up sequence and the correct reaction to
different supply conditions
♦ Controls mode transitions including the power management and
bus wakeup treatment
♦ Generates reset
• 3.3 V or 5 V VOUT Supply depending on the Version from a
Low−drop Voltage Regulator
♦ Can deliver up to 70 mA with accuracy of ±2%
♦ Supplies typically the ECU’s microcontroller
♦ Undervoltage detector with a reset output to the supplied
microcontroller
• LIN Transceiver
♦ LIN2.x and J2602 compliant
♦ TxD dominant timeout protection
♦ Transceiver mode controlled by dedicated input pin
• Protection and Monitoring Functions
♦ Thermal shutdown protection
♦ Load dump protection (45 V)
♦ LIN Bus pin protected against transients in an automotive
environment
♦ ESD protection level for LIN and VS > ±8 kV
• These are Pb−Free Devices
Quality
• NCV Prefix for Automotive and Other Applications Requiring
Unique Site and Control Change Requirements; AEC−Q100
Qualified and PPAP Capable
Typical Applications
• Automotive
• Industrial Networks
http://onsemi.com
8
1
SOIC−8
D SUFFIX
CASE 751AZ
MARKING DIAGRAM
8
NV7428xx
ALYW G
G
1
NV7428−5 = NCV7428D15
NV7428−3 = NCV7428D13
NV7428L5 = NCV7428D1L5
NV7428L3 = NCV7428D1L3
A = Assembly Location
L = Wafer Lot
Y = Year
W = Work Week
G = Pb−Free Package
(Note: Microdot may be in either location)
PIN ASSIGNMENT
1
VS
2
EN
3
GND
4
LIN
8
VOUT
7
RSTN
6
TxD
5
RxD
(Top View)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 17 of this data sheet.
© Semiconductor Components Industries, LLC, 2014
June, 2014 − Rev. 1
1
Publication Order Number:
NCV7428/D
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NCV7428
Definitions
The characteristics defined in this section are guaranteed within the operating ranges listed in Table 4, unless stated
otherwise. All voltages are referenced to GND (Pin 3). Positive currents flow into the respective pin.
Table 6. DC CHARACTERISTICS (VS = 5.5 V to 28 V; TJ = −40°C to +150°C; Bus Load = 500 W (VS to LIN); unless otherwise
specified. Typical values are given at VS = 12 V and TJ = 25°C, unless otherwise specified.)
Symbol
Parameter
Conditions
Min Typ Max Unit
SUPPLY MONITORING
VS_PORH
VS threshold for the power−up
of the circuit
VS rising
3.3 4 V
VS_PORL
VS threshold for the Shutdown
of the circuit
VS falling
2.2 3 V
VOUT_RES_5
VOUT monitoring threshold
NV7428−5
VOUT falling
4.55 4.75 V
VOUT_RES_3
VOUT monitoring threshold
NV7428−3
VOUT falling
2.97
3.135
V
VOUT_RES_hys5
VOUT monitoring threshold
hysteresis for 5 V versions
0.1 V
VOUT_RES_hys33 VOUT monitoring threshold
hysteresis for 3.3 V versions
0.06 V
CURRENT CONSUMPTION
IVS_LIN_Active_rec
IVS_LIN_Wakeup
VS supply current
VS supply current (Note 6)
LIN Active, LIN bus recessive
Standby mode; LIN Wakeup,
LIN bus recessive; IVOUT = 0 mA
VS = 13.5 V, TJ < 105°C
1.8 mA
25 40 mA
IVS_Sleep
VS supply current (Note 6)
Sleep mode; LIN Wakeup, LIN bus
recessive; VOUT off, VOUT < 0.5 V
VS = 13.5 V, TJ < 105°C
12 25 mA
VOUT REGULATOR
VOUT_5
VOUT regulator output voltage
NCV7428−5
VOUT regulator active,
0 < IVOUT < 70 mA, Static
regulation, VS = 5.5 V to 28 V
4.9 5 5.1 V
VOUT_3
VOUT regulator output voltage
NCV7428−3
VOUT regulator active,
0 < IVOUT < 70 mA, Static
regulation, VS = 4.5 V to 28 V
3.234 3.3 3.366 V
ILIM_VOUT
VOUT current limitation
VOUT regulator active;
current flowing to VOUT load
70 120 350 mA
VDROP_VOUT
Drop−out voltage between VS
and VOUT
5.5 V < VS < 40 V;
IVOUT = 70 mA
0.55 V
ISINK_VOUT
VOUT sink current
VOUT regulator active, current
flowing into the VOUT pin
100 240 400 mA
CVOUT
VOUT regulator filtering
capacitance (Note 5)
Equivalent series resistance < 7 W
1.8
10
mF
LIN TRANSMITTER
VLIN_dom_LoSup LIN dominant output voltage
TxD = Low; VS = 7.3 V
1.2 V
VLIN_dom_HiSup LIN dominant output voltage
TxD = Low; VS = 18 V
2.0 V
VLIN_REC
LIN recessive output voltage
TxD = High; ILIN = 10 mA (Note 4) VS – 1.5
VS V
ILIN_lim
Short circuit current limitation
VLIN = VS = 18 V
40 200 mA
Rslave
Internal Pull−up Resistance
LIN Normal or Receive−only mode
20
33
47 kW
CLIN
Capacitance on pin LIN (Note 6)
20 30 pF
4. The voltage drop in Normal mode between LIN and VS pin is the sum of the diode drop and the drop at serial pull−up resistor. The drop
at the switch is negligible. See Figure 1.
5. In parallel with this capacitor any other capacitor can be placed with no limit to ESR and capacitance value
6. Values based on design and characterization. Not tested in production.
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