E-L9637D STMicroelectronics, E-L9637D Datasheet

IC INTERFACE BUS ISO 9141 8-SOIC

E-L9637D

Manufacturer Part Number
E-L9637D
Description
IC INTERFACE BUS ISO 9141 8-SOIC
Manufacturer
STMicroelectronics
Type
Bus Driverr
Datasheet

Specifications of E-L9637D

Input Type
Logic
Output Type
Logic
Interface
ISO9141
Current - Supply
2.3mA
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
E-L9637D
Manufacturer:
STM
Quantity:
8 500
Part Number:
E-L9637D013TR
Manufacturer:
VISHAY
Quantity:
3 670
Part Number:
E-L9637D013TR
0
Company:
Part Number:
E-L9637D013TR
Quantity:
5 000
Features
Table 1.
1. Device in ECOPACK® package (see
June 2009
Operating power supply voltage range
4.5 V ≤ V
Reverse supply (battery) protected down to
V
Standby mode with very low current
consumption IS
Low quiescent current in off condition
IS
TTL compatible TX input
Bidirectional K-I/O pin with supply voltage
dependent input threshold
Overtemperature shut down function Selective
to K-I/O pin
Wide input and output voltage range
-24 V ≤ V
K output current limitation, typ. I
Defined OFF output status in undervoltage
condition and V
Controlled output slope for low EMI
S
OFF
≥ -24 V
E-L9637D013TR
= 120 µA
L9637D013TR
E-L9637D
Order code
S
K
Device summary
L9637D
≤ 36 V (40 V for transients)
≤ V
S
SB
S
or GND interruption
(1)
≤ 1 mA @ V
(1)
Section 4: Package information on page
CC
Monolithic bus driver with ISO 9141 interface
K
= 60 mA
≤ 0.5 V
Doc ID 1765 Rev 7
Package
SO8
SO8
SO8
SO8
Description
The L9637 is a monolithic integrated circuit
containing standard ISO 9141 compatible
interface functions.
High input impedance for open V
connection
Defined output ON status of LO or RX for open
LI or K inputs
Defined K output OFF for TX input open
Integrated pull up resistors for TX, RX and LO
EMI robustness optimized
13).
SO8
Tape and reel
Tape and reel
Packing
Tube
Tube
S
L9637
or GND
www.st.com
1/15
15

Related parts for E-L9637D

E-L9637D Summary of contents

Page 1

... Controlled output slope for low EMI Table 1. Device summary Order code L9637D L9637D013TR (1) E-L9637D (1) E-L9637D013TR 1. Device in ECOPACK® package (see June 2009 Monolithic bus driver with ISO 9141 interface ≤ 0 ■ High input impedance for open V connection ■ Defined output ON status for open inputs ■ ...

Page 2

... Contents Contents 1 Block diagram and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Electrical specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 4 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 5 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 2/15 Doc ID 1765 Rev 7 L9637 ...

Page 3

... Figure 1. Block diagram 1.2 Pin description Figure 2. Pin connection (top view) Table 2. Pin description N. Name VCC GND Block diagram and pin description - + VCC Function Output for K as input Output L comparator Stabilized voltage supply Input for K as output Common GND Bidirectional I/O ...

Page 4

... Supply voltage transient LI, K Pin voltage V LO, RX, TX Note: Max. ESD voltages are ±2kV with human body model C = 100pF 1.5k corresponds to maximum energy dissipation 0.2mJ according to MIL883C. 2.2 Thermal data Table 4. Thermal data Symbol T Temperature K shutdown switch on threshold JSDon T Temperature K shutdown switch off threshold ...

Page 5

... R LLO Output status = (HIGH) -0.15 V ≤ VLO ≤ 0. -0.15 V ≤ VRX ≤ 0. -0.15 V ≤ VTX ≤ 0. output status LOW 4.5 V ≤ V ≤ output status LOW 18 V < Doc ID 1765 Rev 7 Electrical specification Min. Typ. Max. Unit - 1 120 220 µA - <1 - µA ...

Page 6

... ON,LI-LO t Switch ON time ON,K-RX t ON,TX-K 1. Specs are tested at 5V only. Compliance on Vcc full range is guaranteed by design. 2. For output currents lower than this value a series protection diode can become active. See also 6/15 Test condition LO output status HIGH 4.5 V ≤ V ≤ output status HIGH 18 V < V ...

Page 7

... L9637 Figure 3. Input to output timings and output pulse shape OUT 80% 20 OFF Doc ID 1765 Rev 7 Electrical specification t 80% 20 7/15 ...

Page 8

... Electrical specification Figure 4. ISO application circuit 40V 510 Ohm K Diagnostic 0.4 Ohm Tester L 8/ OFF - + ILI ECU1 ECU2 Doc ID 1765 Rev 7 L9637 VCC RTX RLO RRX VCC TX - I/O + 1,75V RX I I/O VDD GND 5V ...

Page 9

... These pins are protected against overvoltages, shorts to GND and V These features are also given for TX, RX and LI only taking into account the behavior of the internal pull up resistances. The thermal shut down function switches OFF the K output if the chip temperature increases above the thermal shut down threshold ...

Page 10

... Functional description Figure 5. Typical timing for mode transitions 10/ Doc ID 1765 Rev tiv L9637 ...

Page 11

... L9637 Figure 6. Output characteristics Figure 7. Output signal shape related to output current tio > < Doc ID 1765 Rev 7 Functional description V OUT = OUT = > 11/15 ...

Page 12

... Functional description Figure 8. EMS performance (ISO 9141 bus system Ohm Signal comparison Δ≤± 10% D£ Figure 9. Input power vs. frequency diagram 12/15 510 Ohm rfa c e 136 Ohm Ohm rfa Doc ID 1765 Rev L9637 rtz & ...

Page 13

... L9637 4 Package information In order to meet environmental requirements, ST offers these devices in different grades of ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: www.st.com. ® ECOPACK trademark. Figure 10. SO8 mechanical data and package dimensions DIM. ...

Page 14

... Document revision history Date 24-Jan-2002 07-Nov-2008 15-Jun-2009 14/15 Revision 5 Initial release. Document reformatted. 6 Added Table 1: Device summary on page Updated Section 4: Package information on page Updated the values of “stabilized voltage” and “transmission 7 frequency” parameters on Doc ID 1765 Rev 7 Changes 1. 13. Table 5: Electrical characteristics. L9637 ...

Page 15

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