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Rohm Semiconductor Electronic Components Datasheet

BD6873KN Datasheet

6ch System Lens Drivers

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BD6873KN pdf
SystemLensDriverSeriesforDigitalStillCameras/Single-lensReflexCameras
6ch System Lens Drivers
for Digital Still Cameras /
Single-lens Reflex Cameras
BD6373GW,BD6873KN,BD6753KV
No.09014EAT02
Description
The BD6373GW motor driver provides 6 Full-ON Drive H-bridge channels. The BD6873KN motor driver provides 5 Full-ON
Drive H-bridge channels and 1 Linear Constant-Current Drive H-bridge channel, while the BD6753KV provides 4 Full-ON
Drive channels and 2 PWM Constant-Current Drive H-bridge channels.
Stepping motors can be used for auto focus, and either zoom or iris. A new drive type (lens barrier) is also available. Three types of drivers
for shutter are offered: a simple Full-ON type, a high-precision linear constant current type, or a high-efficiency PWM constant current type,
enabling selection of the ideal solution based on the application.
Features
1) Subminiature 31PIN Wafer-level CSP (Chip Size Package): 2.6 x 2.6 x 0.85mm3 (BD6373GW)
2) DMOS output allowing a range power supply: 4.5V to 10.5V (BD6753KV; VM1), 2.0V to 10.5V (BD6753KV; VM2 to VM4)
3) Low ON-Resistance Power MOS output:
Full-ON Drive block with 1.2Typ. (BD6373GW)
Full-ON Drive block with 1.2Typ. and Linear Constant-Current Drive block with 1.0Typ. (BD6873KN)
Full-ON Drive block with 1.2Typ. and PWM Constant-Current Drive block with 1.2Typ. (BD6753KV)
4) Serial interface 3-line bus control input (BD6753KV)
5) Built-in two-step output current setting switch for the Linear Constant-Current Drive block (BD6873KN)
6) Drive mode switching function
7) 1.2V±3% high-precision reference voltage output (BD6873KN)
8) Constant-Current Drive block features phase compensation capacitor-free design (BD6873KN)
9) Built-in ±3% high-precision Linear Constant-Current Driver (BD6873KN)
10) Built-in peak current control PWM Constant-Current Driver (BD6753KV)
11) Built-in charge pump circuit for the DMOS gate voltage drive (BD6753KV)
12) UVLO (Under Voltage Lockout Protection) function
13) Built-in TSD (Thermal Shut Down) circuit
14) Standby current consumption: 0μA Typ.
Absolute Maximum Ratings
Parameter
Symbol
BD6373GW
Limit
BD6873KN
BD6753KV
Power supply voltage
VCC
-0.5 to +6.5
0 to +7.0
-0.5 to +7.0
Motor power supply voltage
VM
-0.5 to +6.5
0 to +7.0
-0.5 to +12.5
Charge pump voltage
VG
-
- 18.0
Control input voltage
Power dissipation
VIN -0.5 to VCC+0.5
Pd 9401
0 to VCC
9502
-0.5 to VCC+0.5
11253
Operating temperature range
Topr
-25 to +85
-25 to +85
-25 to +75
Junction temperature
Tjmax
+150
+150
+150
Storage temperature range
H-bridge output current
Tstg -55 to +150
-55 to +150
-55 to +150
Iout
-800 to +8004
-800 to +8004
-800 to +8004
1 Reduced by 7.52mW/°C over 25°C, when mounted on a glass epoxy board (50mm x 58mm x 1.75mm; 8layers).
2 Reduced by 7.6mW/°C over 25°C, when mounted on a glass epoxy board (70mm x 70mm x 1.6mm).
3 Reduced by 9.0mW/°C over 25°C, when mounted on a glass epoxy board (70mm x 70mm x 1.6mm).
4 Must not exceed Pd, ASO, or Tjmax of 150°C.
Unit
V
V
V
V
mW
°C
°C
°C
mA/ch
www.rohm.com
© 2009 ROHM Co., Ltd. All rights reserved.
1/17
2009.06 - Rev.A
Free Datasheet http://www.datasheet4u.com/


Rohm Semiconductor Electronic Components Datasheet

BD6873KN Datasheet

6ch System Lens Drivers

No Preview Available !

BD6873KN pdf
BD6373GW, BD6873KN, BD6753KV
Technical Note
Operating Conditions (Ta=-25 to +85°C(BD6373GW, BD6873KN), -25 to +75°C(BD6753KV))
Parameter
Symbol
BD6373GW
Limit
BD6873KN
BD6753KV
Power supply voltage
VCC
2.5 to 5.5
2.5 to 5.5
2.7 to 5.5
Motor power supply voltage
VM
2.5 to 5.5
2.5 to 5.5
4.5 to 10.5 (VM1)
2.0 to 10.5 (VM2 to VM4)
Control input voltage
VIN 0 to VCC
0 to VCC
0 to VCC
Output current control input
voltage range
VLIM
-
0 to VCC
0 to 0.5
PWM signal input frequency
H-bridge output current
FPWM
Iout
-
-500 to +5005
-
-500 to +5005
0 to 0.1
-500 to +5005
5 Must not exceed Pd or ASO.
Unit
V
V
V
V
MHz
mA/ch
Electrical Characteristics
1) BD6373GW Electrical Characteristics (Unless otherwise specified, Ta=25°C, VCC=3.0V, VM=5.0V)
Parameter
Symbol Min.
Limit
Typ.
Max.
Unit
Conditions
Overall
Circuit current
ICC -
1.0 1.9 mA no signal and no load
Control input (IN=ENABLExx, INPUTx, and BRAKEx)
High level input voltage
VINH
2.0
-
VCC
V
Low level input voltage
VINL
0
- 0.7 V
High level input current
IINH
15
30
60 μA VINH=3V
Low level input current
IINL -1
0
- μA VINL=0V
UVLO
UVLO voltage
VUVLO 1.6 - 2.4 V
Full-ON Drive block (ch1 to ch6)
Output ON-Resistance 1
RON1
-
1.2
1.5
Io=±400mA on high and low sides In total
(VM=5V)
Output ON-Resistance 2
RON2
-
1.5
2.0
Io=±400mA on high and low sides In total
(VM=3V)
Turn on time
ton - 0.55 1.95 μs RL=20
Turn off time
toff - 0.08 0.5 μs RL=20
Rise time
tr 0.1 0.15 1.0 μs RL=20
Fall time
tf - 0.03 0.2 μs RL=20
2) BD6873KN Electrical Characteristics (Unless otherwise specified, Ta=25°C, VCC=3.0V, VM=5.0V)
Parameter
Symbol Min.
Limit
Typ.
Max.
Unit
Conditions
Overall
Circuit current
during standby operation
ICCST
-
0 10 μA PS=0V
Circuit current
ICC -
1.2 2.3 mA PS=VCC with no signal and no load
Power-saving (PS)
High level input voltage
VPSH
2.0
-
-V
Low level input voltage
VPSL
-
- 0.7 V
High level input current
IPSH
15
30
60 μA VPS=3V
Low level input current
IPSL
-1
0
- μA VPS=0V
Control input (IN=IN1A to IN5B, SEL1 to 3, BRK1, EN1, IN6, and VLIMS)
High level input voltage
VINH
2.0
-
-V
Low level input voltage
VINL
-
- 0.7 V
High level input current
IINH
15
30
60 μA VINH=3V
Low level input current
IINL -1
0
- μA VINL=0V
Pull-down resistance
RIN 50
100 200 k
UVLO
UVLO voltage
VUVLO 1.6 - 2.4 V
Full-ON Drive block (ch1 to ch5)
Output ON-Resistance
RON
-
1.2 1.5 Io=±400mA on high and low sides In total
Linear Constant-Current Drive block (ch6)
Output ON-Resistance
RON
-
1.0 1.25 Io=±400mA on high and low sides in total
VREF output voltage
VREF 1.16 1.20 1.24 V Iout=0~1mA
Output limit voltage
VOL
194
200
206 mV RNF=0.5, VLIM=0.2V
www.rohm.com
© 2009 ROHM Co., Ltd. All rights reserved.
2/17
2009.06 - Rev.A
Free Datasheet http://www.datasheet4u.com/


Part Number BD6873KN
Description 6ch System Lens Drivers
Maker Rohm
Total Page 18 Pages
PDF Download
BD6873KN pdf
BD6873KN Datasheet PDF
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