Features• Six Half-bridge Outputs Formed by Six High-side and Six Low-side Drivers• Capable of Switching all Kinds of Loads (Such as DC Motors, Bulbs,

104953C–AUTO–09/07ATA6837 [Preliminary] 4.8Ratio thermal shutdown/thermal prewarningTj switch on/ TjPW reset1.05 1.2 A5 Output Specification (LS1-LS6,

114953C–AUTO–09/07ATA6837 [Preliminary]6 Inhibit Input6.1Input voltage low-level thresholdVIL0.3 ×VVCCVA6.2Input voltage high-level thresholdVIH0.7 ×V

124953C–AUTO–09/07ATA6837 [Preliminary] 8. Serial Interface: TimingParameters Test Conditions Timing Chart No. Symbol Min. Typ. Max. UnitDO enable aft

134953C–AUTO–09/07ATA6837 [Preliminary]Figure 8-1. Serial Interface Timing Diagram with Chart Numbers 1DOCSCLKCSDOCLKOutput DO: High level = 0.8 × VCC

144953C–AUTO–09/07ATA6837 [Preliminary] 10. Application CircuitFigure 10-1. Application Circuit 9. Noise and Surge ImmunityParameters Test Conditions

154953C–AUTO–09/07ATA6837 [Preliminary]10.1 Application Notes• Connect the blocking capacitors at VCC and VS as close as possible to the power supply

164953C–AUTO–09/07ATA6837 [Preliminary] 12. Package Information 13. Revision History11. Ordering InformationExtended Type Number Package RemarksATA683

4953C–AUTO–09/07Headquarters InternationalAtmel Corporation2325 Orchard ParkwaySan Jose, CA 95131USATel: 1(408) 441-0311Fax: 1(408) 487-2600Atmel Asia

24953C–AUTO–09/07ATA6837 [Preliminary] Figure 1-1. Block Diagram QFN24 SIHS2LS2HS1LS1Controllogic18CLK13DOINH17CS19DIInput registerOuput registerSeria

34953C–AUTO–09/07ATA6837 [Preliminary]2. Pin ConfigurationFigure 2-1. Pinning QFN 24, 5 × 5, 0.65 mm pitch Note: YWW Date code (Y = Year above 2000, W

44953C–AUTO–09/07ATA6837 [Preliminary] 17 CSChip select input; 5V/3.3V CMOS logic level input with internal pull up; low = serial communication is ena

54953C–AUTO–09/07ATA6837 [Preliminary]3. Functional Description3.1 Serial InterfaceData transfer starts with the falling edge of the CS signal. Data m

64953C–AUTO–09/07ATA6837 [Preliminary] Table 3-2. Output Data ProtocolBitOutput (Status) Register Function0TPTemperature prewarning: high = warning (o

74953C–AUTO–09/07ATA6837 [Preliminary]3.2 Power-supply FailIn case of undervoltage at pin VS, an internal timer is started. When during a permanent un

84953C–AUTO–09/07ATA6837 [Preliminary] 5. Thermal Resistance4. Absolute Maximum RatingsStresses beyond those listed under “Absolute Maximum Ratings” m

94953C–AUTO–09/07ATA6837 [Preliminary]7. Electrical Characteristics7.5V < VS < 40V; 3V < VCC < 5.5V; INH = High; –40°C < Tj < 200°C,