TH8062KDC-AAA-000-SP
TH8062KDC-AAA-000-SP Datasheet
TH8062
| Part | Datasheet |
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TH8062KDC-AAA-000-SP |
TH8062KDC-AAA-000-SP (pdf) |
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| TH8062 Voltage Regulator with LIN Transceiver o Compatible to LIN Specification and SAE J2602 o Operating voltage VS = 6 18 V o Low standby current consumption of typ. 15 uA in sleep mode “noload” current < 200µA o Linear low drop voltage regulator 5V/70mA ±2% Output current limitation o LIN-Bus Transceiver Compatible to ISO9141 functions Baud rate up to 20 kBaud Slew rate control for best EME behavior Low slew mode for optimized SAE J2602 transmission High EMI immunity High signal symmetry for using in RC based slave nodes up to 2% clock tolerance Current limitation Bus input voltages -24V to 30V independent from VBat o Wake-up via LIN bus traffic o Reset output default 8ms/4.65V Reset time adjustable to 4ms, 15ms and 30ms during IC final test o Over temperature shutdown o Automotive temperature range of to 125°C o CMOS compatible interface to microcontroller o Load dump protected 40V o Small SOIC8 package o Pin compatible to the Melexis TH8061 Ordering Information Part No. TH8062 KDC AA On Request TH8062 KDC AB TH8062 KDC AC TH8062 KDC AD Temperature Range K -40 to 125 °C K -40 to 125 °C K -40 to 125 °C K -40 to 125 °C Package Version DC SOIC8 A DC SOIC8 A DC SOIC8 A DC SOIC8 A POR-Time A 8ms B 4ms C 30ms D 15ms TH8062 Datasheet 3901008062 Page 1 of 38 TH8062 Voltage Regulator with LIN Transceiver Contents Functional Diagram 4 Electrical 5 Operating Conditions 5 Absolute Maximum Ratings 5 Static Characteristics 6 Voltage Regulator and Reset Unit 6 LIN Bus 8 Dynamic Characteristics 9 Timing Diagrams 11 Functional Description 13 Operating 13 Initialization 15 Wake-Up 15 VSUP under voltage 16 Overtemperature Shutdown 16 LIN BUS Transceiver 17 Linear 20 RESET 21 Programmability of Power-ON-Reset Delay 21 Mode Input EN 22 Application Hints 24 Safe Operating Area 24 Low Dropout Regulator 25 Application Circuitry 27 Programmability of Power-ON-Reset Delay The standard POR time of the TH8062 is typ. 8ms. During final test it is possible to re-program this time to other values. Possible values are 4ms, 15ms and 30ms. See ordering code for details. TH8062 Datasheet 3901008062 Page 21 of 38 TH8062 Voltage Regulator with LIN Transceiver Mode Input EN The TH8062 is switched into the sleep mode with a falling edge and into normal mode with a rising edge at the EN pin. The normal mode will be kept as long as EN = high. The deactivation of TH8062 with a falling edge at EN can be done independently from the state of the bustransceiver. voltage limiter Filter 6us enable 23k 1.5M Figure 13 - EN input circuitry The maximum input voltage is VSUP. The threshold is typ. 1.4V and therefore also 5V and 3.3V CMOS levels can be used as input signal. Figure 13 shows the internal circuitry of the EN pin. The EN input has an internal pull down resistor of typ. 25k to secure that if this pin is not connected a low level will be generated. An input debouncing filter of 6µs suppresses effectively disturbance couplings via the EN pin It will use different pull down resistors for normal and sleep mode to minimize the sleep mode current. The wide input voltage range allows different EN control possibilities. If the EN input is connected to a CMOS output of the MCU, a falling edge switches the TH8062 into sleep mode the regulator is also switched off . The wake up is only possible via the bus line. VBAT LIN CIN 180p TH8062 Cload VSUP EN GND BUS VCC RESET TxD RxD MCU +5V Figure 14 - EN controlled via MCU TH8062 Datasheet 3901008062 Page 22 of 38 TH8062 Voltage Regulator with LIN Transceiver VBAT LIN TH8062 Cload VSUP EN 10k RESET 180p MCU +5V Figure 15 - Permanent normal mode TH8062 Datasheet 3901008062 Page 23 of 38 TH8062 Voltage Regulator with LIN Transceiver Application Hints Safe Operating Area |
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