BD7790KVT Datasheet, PDF (1/4 Pages) Rohm – Silicon Monolithic Integrated Circuit

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Structure
Silicon Monolithic Integrated Circuit
Product series
Type
PWM Driver for combi drive
BD7790KVT
Function
特長
・3-phase-sensor-less system, therefore don’t need three hall sensors
for spindle motor driver.
・Stability high-speed start from the state of the stop for spindle motor driver.
○Absolute maximum ratings
Parameter
Symbol
Limits
Unit
Power MOS supply voltage
PVcc
6
V
Control circuit power supply voltage
Vcc
6
V
Maximum driver output current
IoMAX
3 ＃1
A
Power dissipation
Pd
1.37 ＃2
W
Operating temperature range
Topr
-30～85
℃
Storage temperature range
Tstg
-55～150
℃
Joint part temperature
Tjmax
150
℃
#1 The current is guaranteed 3.0A in case of the current is turned on/off in a duty-ratio of less than 1/10 with a maximum
on-time of 5ms and when short brake.
#2 PCB (70mm×70mm×1.6mm,occupied copper foil is less than 3%,glass epoxy standard board) mounting.
Reduce power by 11.0mW for each degree above 25℃.
○Recommended operating conditions(Ta=-30～+85℃)
〔Set the power supply voltage taking allowable dissipation into considering〕
Parameter
Symbol
MIN TYP MAX
Unit
Power MOS supply voltage
PVcc
4.0
5.0
5.5
V
Control circuit power supply voltage
Vcc
4.0
5.0
5.5
V
This product described in this specification isn’t judged whether it applies to COCOM regulations. Please confirm in case of export.
This product isn’t designed for protection against radioactive rays.
Status of this document
The Japanese version of this document is the formal specification.
A customer may use this translation version only for a reference to help reading the formal version.
If there are any differences in translation version of this document, formal version takes priority.
Application example
ï½¥ROHM cannot provide adequate confirmation of patents.
ï½¥The product described in this specification is designed to be used with ordinary electronic equipment or devices (such as audio-visual equipment,
office-automation equipment communication devices, electrical appliances, and electronic toys).
Should you intend to use this product with equipment or devices which require an extremely high level of reliability and the malfunction of which would directly
endanger human life (such as medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other
safety devices), please be sure to consult with our sales representative in advance.
ï½¥ROHM assumes no responsibility for use of any circuits described herein, conveys no license under any patent or other right, and make no representations that
the circuits are free from patent infringement.
REV. A