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MC33989

Features: • Vdd1: Low drop voltage regulator, current limitation, over temperature detection, monitoring and reset function• Vdd1: Total current capability 200mA.• V2: Tracking function of Vdd1 regulator. Control circuitry for external bipolar ballast transistor for high flexibil...

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SeekIC No. : 004415845 Detail

MC33989: Features: • Vdd1: Low drop voltage regulator, current limitation, over temperature detection, monitoring and reset function• Vdd1: Total current capability 200mA.• V2: Tracking fun...

MC33989 Data Sheet

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Part Number:
MC33989
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/27

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Product Details

Description



Features:

• Vdd1: Low drop voltage regulator, current limitation, over temperature detection, monitoring and reset function
• Vdd1: Total current capability 200mA.
• V2: Tracking function of Vdd1 regulator. Control circuitry for external bipolar ballast transistor for high flexibility in choice of peripheral voltage and current supply.
• Four operational modes (normal, stand-by, stop and sleep mode)
• Low stand-by current consumption in stop and sleep modes
• High speed 1MBaud CAN physical interface.
• Four external high voltage wake-up inputs, associated with HS1 Vbat switch
• 150mA output current capability for HS1 Vbat switch allowing drive of external switches pull up resistors or relays
• Vsup failure detection
• Nominal DC operating voltage from 5.5 to 27V, extended range down to 4.5V.
• 40V maximum transient voltage
• Programmable software time out and window watchdog
• Safe mode with separate outputs for Watchdog time out and Reset
• Wake up capabilities (four wake up inputs, programmable cyclic sense, forced wake up, CAN interface, SPI and stop mode over current)
• Interface with MCU through SPI




Pinout

Connection Diagram




Specifications

Ratings Symbol Min Typ Max Unit
Supply Voltage at Vsup
- Continuous voltage
- Transient voltage (Load dump)		 Vsup
Vsup		 -0.3 27
40		 V
Logic Inputs (Rx, Tx, MOSI, MISO, CSB, SCLK, Reset,
WDOGB, INTB)		 Vlog -0.3 Vdd1+0.3 V
Output current Vdd1 I Internally limited A
HS1
- voltage
- output current		 VI -0.2 Internally limited Vsup+0.3 V
A
ESD voltage (HBM 100pF, 1.5k)
- CANL, CANH, Rtl, Rth, HS1, L0, L1
- All other pins		 Vesdh -4
-2		 4
2		 kV
ESD voltage (Machine Model) All pins Vesdm -200 200 kV
L0, L1
- DC Input voltage
- DC Input current
- Transient input current (according to ISO7637 specification)
and with external component tbd.		 Vwu DC -0.3
-2
-100		 40
2
+100		 V
mA
V
CAN related pins: CANH, CANL, RTL, RTH, Tx, Rx
(refer to CAN section)
Junction Temperature Tj - 40 +150 °C
Storage Temperature Ts - 55 +165 °C
Ambient Temperature (for info only) Ta - 40 +125 °C
Thermal resistance junction to gnd pin (note 1) Rthj/p 20 °C/W
note 1: gnd pins 6, 7, 8, 9, 20, 21, 22, 23




Description

The MC33989 is a monolithic integrated circuit combining many functions frequently used by automotive ECUs. It incorporates:
- Two voltage regulators.
- Four high voltage inputs.
- 1Mbaud CAN physical interface.






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