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Part Number: MC33989
Description: The MC33989 is a monolithic integrated circuit combining many functions frequently used by automotive ...
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MC33989
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DataSheet
General Description
MC33989 General 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.
MC33989 Maximum Ratings
| 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 |
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 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
• 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
MC33989 Connection Diagram
MC33989
PDF/DataSheet Download
- Datasheet: MC33989
- File Size: 2801664 KB
- Manufacturer: FREESCALE
- Click here to Download
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