Rainbow-electronics ATA6624 User Manual

Features• Master and Slave Operation Possible• Supply Voltage up to 40V• Operating voltage VS = 5V to 27V• Typically 10 µA Supply Current During Sleep

104986F–AUTO–07/08ATA6622/ATA6624/ATA6626The VCC regulator is activated, and the internal LIN slave termination resistor is switched on.The remote wak

114986F–AUTO–07/08ATA6622/ATA6624/ATA6626Figure 4-5. LIN Wake Up from Sleep Mode Table 4-1. Table of ModesMode of Operation Transceiver VCC Watchdog W

124986F–AUTO–07/08ATA6622/ATA6624/ATA66265. Wake-up Scenarios from Silent or Sleep Mode5.1 Remote Wake-up via Dominant Bus StateA voltage less than th

134986F–AUTO–07/08ATA6622/ATA6624/ATA66265.5 Fail-safe Features• During a short-circuit at LIN to VBattery, the output limits the output current to IB

144986F–AUTO–07/08ATA6622/ATA6624/ATA6626Figure 5-1. VCC Voltage Regulator: Ramp-up and Undervoltage Detection Figure 5-2. Power Dissipation: Safe Ope

154986F–AUTO–07/08ATA6622/ATA6624/ATA66266. WatchdogThe watchdog anticipates a trigger signal from the microcontroller at the NTRIG (negative edge)inp

164986F–AUTO–07/08ATA6622/ATA6624/ATA6626Figure 6-1. Timing Sequence with RWD_OSC = 51 kΩ 6.2 Worst Case Calculation with RWD_OSC = 51 kΩThe internal

174986F–AUTO–07/08ATA6622/ATA6624/ATA66267. Absolute Maximum RatingsStresses beyond those listed under “Absolute Maximum Ratings” may cause permanent

184986F–AUTO–07/08ATA6622/ATA6624/ATA66268. Electrical Characteristics5V < VS < 27V, -40°C < Tj < 150°C, unless otherwise specified. All v

194986F–AUTO–07/08ATA6622/ATA6624/ATA66263.5Low-level input current at local wake-up requestFail-safe ModeVLIN = VSVWAKE = 0VVTXD = 0.4VTXD ITXDwake22

24986F–AUTO–07/08ATA6622/ATA6624/ATA6626Figure 1-1. Block Diagram AdjustableWatchdogOscillatorShort Circuit andOvertemperatureProtectionTXDTime-outTim

204986F–AUTO–07/08ATA6622/ATA6624/ATA66268.7LIN current limitationVBUS = VBatt_max LIN IBUS_LIM40 120 200 mA A8.8Input leakage current at the receiver

214986F–AUTO–07/08ATA6622/ATA6624/ATA662610.5Time delay for mode change from Silent Mode into Normal Mode via ENVEN = 5V ts_n51540µsA10.6 Duty cycle 1

224986F–AUTO–07/08ATA6622/ATA6624/ATA662613 Watchdog Oscillator13.1Voltage at WD_OSC in Normal ModeIWD_OSC = –200 µAVVS ≥ 4VVWD_OSC1.13 1.23 1.33 V A1

234986F–AUTO–07/08ATA6622/ATA6624/ATA662617 VCC Voltage Regulator ATA662217.1 Output voltage VCC4V < VS < 18V(0 mA to 50 mA)VCCnor3.234 3.366 V

244986F–AUTO–07/08ATA6622/ATA6624/ATA6626Figure 8-1. Definition of Bus Timing Characteristics TXD(Input to transmitting node)VS(Transceiver supplyof t

254986F–AUTO–07/08ATA6622/ATA6624/ATA6626Figure 8-2. Application Circuit 67 8 10920 19 18MLP 5 mm × 5 mm0.65 mm pitch20 leadATA6622/24/26161112131415T

264986F–AUTO–07/08ATA6622/ATA6624/ATA6626Figure 8-3. Application Circuit with External NPN 67 8 10920 19 18MLP 5 mm × 5 mm0.65 mm pitch20 leadATA6622/

274986F–AUTO–07/08ATA6622/ATA6624/ATA662610. Package Information 9. Ordering InformationExtended Type Number Package RemarksATA6622-PGPW QFN20 3.3V LI

284986F–AUTO–07/08ATA6622/ATA6624/ATA662611. Revision HistoryPlease note that the following page numbers referred to in this section refer to the spec

4986F–AUTO–07/08Headquarters InternationalAtmel Corporation2325 Orchard ParkwaySan Jose, CA 95131USATel: 1(408) 441-0311Fax: 1(408) 487-2600Atmel Asia

34986F–AUTO–07/08ATA6622/ATA6624/ATA66262. Pin ConfigurationFigure 2-1. Pinning QFN20 67 8 10920 19 18QFN 5 mm × 5 mm0.65 mm pitch20 leadATA6622/24/26

44986F–AUTO–07/08ATA6622/ATA6624/ATA66263. Functional Description3.1 Physical Layer CompatibilitySince the LIN physical layer is independent from high

54986F–AUTO–07/08ATA6622/ATA6624/ATA66263.7 Input/Output Pin (TXD)In Normal Mode the TXD pin is the microcontroller interface used to control the stat

64986F–AUTO–07/08ATA6622/ATA6624/ATA66263.13 TM Input PinThe TM pin is used for final production measurements at Atmel®. In normal application, it has

74986F–AUTO–07/08ATA6622/ATA6624/ATA66264. Modes of OperationFigure 4-1. Modes of Operation 4.1 Normal ModeThis is the normal transmitting and receivi

84986F–AUTO–07/08ATA6622/ATA6624/ATA6626A voltage less than the LIN Pre_Wake detection VLINL at the LIN pin activates the internal LINreceiver.Figure

94986F–AUTO–07/08ATA6622/ATA6624/ATA6626Figure 4-3. LIN Wake Up from Silent Mode 4.3 Sleep ModeA falling edge at EN when TXD is low switches the IC in