BD7907FS 데이터 시트보기 (PDF) - ROHM Semiconductor
부품명
상세내역
제조사
BD7907FS Datasheet PDF : 3 Pages
| |||
Recommended Operating Conditions (Ta=25˚C)
Parameter
Symbol Min. Typ. Max. Unit
Power MOS supply voltage1 SPVM1,2
—
VCC ∗2 —
V
Power MOS supply voltage2 SLRNF1,2 — SLVDD∗2 —
V
Pre-driver supply voltage SLVDD,VCC AVM 12
14
V
Power driver supply voltage AVM
4.3 5.0 Vcc
V
PWM control supply voltage DVCC
4.3
5.0
6.0
V
∗2 SPVM1,2 must be established with the same voltage of Vcc and, SLRNF1,2 must be established with the same voltage of SLVDD.
Electrical Characteristics (Unless otherwise noted; Ta=25˚C, SLVDD=VCC=12V, DVCC=AVM=5V,
VC=1.65V, SPRNF=0.33Ω, SLRNF=0.5Ω)
Parameter
Symbol Min. Typ. Max. Unit
Conditions
Feed motor driver
Input dead zone (One-side) VDZSL 15
40
65
mV
I/O gain
gmSL 0.8
1.0
1.2
A/V SLRNF=0.5Ω
Output ON resistance
RONUSL —
3.2
4.2
Ω
Io=500mA (Top+Bottom)
Output limit current
ILIMSL 0.8
0.94 1.08
A SLRNF=0.5Ω
Spindle driver <Torque command I/O>
Input dead zone (One-side) VDZSP 20
50
90
mV
I/O gain
gmSP 2.4
3.0
3.6
A/V SPRNF=0.33Ω
Output ON resistance
RONUSP —
0.95
1.7
Ω
Ip=500mA (Top+Bottom)
Output limit current
ILIMSL 1.2
1.42 1.64
A SPRNF=0.33Ω
Actuator driver
Output offset voltage
VOFFT –50
0
50
mV
Output saturation voltage VOHFT —
0.9
1.6
V
Io=500mA (Top+Bottom)
Voltage gain
GVFT 16.0 17.5 19.0
dB
Loading driver
Output offset voltage
VOFLD –50
0
50
mV
Output saturation voltage VOHLD —
1.55
2.2
V
Io=500mA (Top+Bottom)
Voltage gain
GVLD 16.0 17.5 19.0
dB
Application Circuit
DVCC FOCUS TRACKING
=5V IN IN
VCC=
12V
TRACKING
LOADING
M
FOCUS
AVM
=5V
STM
SLED1
SLED2
SLVM
=12V
SLED SLED
IN2 IN1
LEVEL
SHIFT
47K
LEVEL
SHIFT
94K
LEVEL
SHIFT
47K
94K
FG
REVERSE
DETECT
HALL
BIAS
TSD
PRE
LOGIC
FF
PWM
OUT
Current
COMP
FF
OSC
Polarity
COMP
Current
LIMIT
3-phase
MATRIX
PRE
LOGIC
FF
OSC
47K
-+
94K
47K
LIMIT 94K
-+
LIMIT
BD7902FS
94K
-+
15K
- + 47K
3FG
15K
STBY/
BRAKE
CONTROL
SPINDLE
SPRNF
SPVM
=12V
3FG
5V
µ -COM µ -COM
VC
SPINDLE LOADING
IN
IN
Share Link: 