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ATA6834-PLQW

Description
Built-in 5V/3.3V Voltage Regulator with Current Limitation
CategoryOther integrated circuit (IC)    The signal circuit   
File Size512KB,27 Pages
ManufacturerAtmel (Microchip)
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ATA6834-PLQW Overview

Built-in 5V/3.3V Voltage Regulator with Current Limitation

ATA6834-PLQW Parametric

Parameter NameAttribute value
MakerAtmel (Microchip)
Parts packaging codeQFN
package instructionHVQCCN, LCC48,.27SQ,20
Contacts48
Reach Compliance Codecompli
ECCN codeEAR99
Analog Integrated Circuits - Other TypesBRUSHLESS DC MOTOR CONTROLLER
JESD-30 codeS-XQCC-N48
length7 mm
Number of functions1
Number of terminals48
Maximum operating temperature150 °C
Minimum operating temperature-40 °C
Maximum output current0.36 A
Package body materialUNSPECIFIED
encapsulated codeHVQCCN
Encapsulate equivalent codeLCC48,.27SQ,20
Package shapeSQUARE
Package formCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
power supply5.5/18 V
Certification statusNot Qualified
Maximum seat height1 mm
Maximum supply voltage (Vsup)18 V
Minimum supply voltage (Vsup)5.5 V
Nominal supply voltage (Vsup)13.5 V
surface mountYES
Temperature levelAUTOMOTIVE
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationQUAD
width7 mm
Features
ATA6833 Temperature Range T
J
= 150°C
ATA6834 Extended Temperature Range T
J
= 200°C
Direct Driving of 6 External NMOS Transistors with a Maximum Switching Frequency of
50 kHz
Integrated Charge Pump to Provide Gate Voltages for High-side Drivers and to Supply
the Gate of the External Battery Reverse Protection NMOS
Built-in 5V/3.3V Voltage Regulator with Current Limitation
Reset Signal for the Microcontroller
Sleep Mode with Supply Current of typically < 45 µA
Wake-up via LIN Bus or High Voltage Input
Programmable Window Watchdog
Battery Overvoltage Protection and Battery Undervoltage Management
Overtemperature Warning and Protection (Shutdown)
200 mA Peak Current for Each Output Driver
LIN Transceiver Conformal to LIN 2.1 and SAEJ2602-2 with Outstanding EMC and ESD
Performance
QFN48 Package 7 mm
×
7 mm
BLDC Motor
Driver and LIN
System Basis
Chip
ATA6833
ATA6834
Preliminary
1. Description
The ATA6833 and ATA6834 are system basis chips for three-phase brushless DC
motor controllers designed in Atmel
®
’s state-of-the-art 0.8 µm SOI technology
SMART-I.S.
1. In combination with a microcontroller and six discrete power MOS-
FETs, the system basis chip forms a BLDC motor control unit for automotive
applications. In addition, the circuits provide a 3.3V/5V linear regulator and a window
watchdog.
The circuit includes various control and protection functions like overvoltage and over-
temperature protection, short circuit detection, and undervoltage management.
Thanks to these function blocks, the driver fulfils a maximum of safety requirements
and offers a high integration level to save cost and space in various applications. The
target applications are most suitable for the automotive market due to the robust tech-
nology and the high qualification level. ATA6834, in particular, is designed for
applications in a high-temperature environment.
9122F–AUTO–03/10

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