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부품번호 | BTS774G 기능 |
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기능 | Trilith IC | ||
제조업체 | Siemens Semiconductor | ||
로고 | |||
전체 17 페이지수
www.DataSheet4U.com
TrilithIC™
BTS 774 G
Overview
Features
• Quad switch driver
• Free configurable as bridge or quad-switch
• Optimized for DC motor management applications
• Ultra low RDS ON @ 25 °C:
High-side switch: typ.165 mΩ,
Low-side switch: typ. 45 mΩ
• Very high peak current capability
P-DSO-28-9
• Very low quiescent current
• Space- and thermal optimized power P-DSO-Package
• Full short-circuit-protection
• Operates up to 40 V
• Status flag diagnosis
• Overtemperature shut down with hysteresis
• Short-circuit detection and diagnosis
• Open-load detection and diagnosis
• C-MOS compatible inputs
• Internal clamp diodes
• Isolated sources for external current sensing
• Over- and under-voltage detection with hysteresis
Type
BTS 774 G
Ordering Code
Q67007-A9336
Package
P-DSO-28-9
Description
The BTS 774 G is a TrilithIC contains one double high-side switch and two low-side
switches in one P-DSO-28-9 -Package.
“Silicon instead of heatsink”
becomes true
The ultra low RDS ON of this device avoids powerdissipation. It saves costs in mechanical
construction and mounting and increases the efficiency.
The high-side switches are produced in the SIEMENS SMART SIPMOS® technology. It
is fully protected and contains the signal conditioning circuitry for diagnosis. (The
comparable standard high-side product is the BTS 611L1.)
Semiconductor Group
1
1999-01-07
BTS 774 G
Pin Definitions and Functions
Pin No.
Symbol Function
1, 3, 25, 28 DL1
Drain of low-side switch1
Leadframe 1 1)
2 GL1 Gate of low-side switch1
4
N.C.
not connected
5, 10, 19, 24 DHVS
Drain of high-side switches and power supply voltage
Leadframe 2 1)
6
GND
Ground
7
GH1
Gate of high-side switch1
8 ST Status of high-side switches; open Drain output
9
GH2
Gate of high-side switch2
11
N.C.
not connected
12, 14, 15, 18 DL2
Drain of low-side switch2
Leadframe 3 1)
13 GL2 Gate of low-side switch2
16, 17
SL2 Source of low-side switch2
20, 21
SH2 Source of high-side switch2
22, 23
SH1 Source of high-side switch1
26, 27
SL1 Source of low-side switch1
1) To reduce the thermal resistance these pins are direct connected via metal bridges to the leadframe.
Bold type: Pin needs power wiring
Semiconductor Group
4
1999-01-07
4페이지 BTS 774 G
Overvoltage-Lockout (OVLO)
When VS reaches the switch-off voltage VOVOFF the High-Side output transistors are
switched off with a hysteresis. The IC becomes active if the supply voltage VS drops
below the switch-on value VOVON.
Open Load Detection
Open load is detected by current measurement. If the output current drops below an
internal fixed level the error flag is set with a delay.
Status Flag
Various errors as listed in the table “Diagnosis” are detected by switching the open drain
output ST to low.
Semiconductor Group
7
1999-01-07
7페이지 | |||
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