SANYO LB1695M Datasheet
Overview
The LB1695M is a 3-phase brushless motor driver IC that
is optimal for driving the DC fan motors used in home
appliances such as water heaters.
Package Dimensions
unit: mm
3216A-MFP30S
Monolithic Digital IC
12398HA(OT) No. 5802-1/6
SANYO: MFP30S
[LB1695M]
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-0005 JAPAN
DC Fan Motor Driver
LB1695M
Ordering number : EN5802
Allowable power dissipation, Pd max - mW
Parameter Symbol Conditions Ratings Unit
Supply voltage V
CC
10 V
V
M
45 V
Output current I
O
2A
Allowable power dissipation Pd max
When mounted on a printed circuit board (114.3 × 76.1 × 1.6 mm, glass epoxy)
2W
Operating temperature Topr –20 to +100 °C
Storage temperature Tstg –55 to +150 °C
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter Symbol Conditions Ratings Unit
Operating supply voltage range
V
CC
4.5 to 5.5 V
V
M
5 to 42 V
Voltage slew rate at power on
∆V
CC
/∆t At the point VCC= V
LVSD
(OFF)* Under 0.04 V/µs
∆V
M
/∆t At the point VM= 0 V* Under 0.16 V/µs
Note: For the items marked with asterisks (*), through currents may flow in the outputs if the power supply voltage slew rate is excessive.
Allowable Operating Ranges at Ta = 25°C
Glass epoxy board with a 56%
wiring density
(When mounted)
Ambient temperature, Ta - °C
No. 5802-2/7
LB1695M
Parameter Symbol Conditions
Ratings
Unit
min typ max
Current drain I
CC
Forward rotation 13 19 mA
Output saturation voltage
V
O
(sat)1 IO= 0.5 A VO(sink) + VO(source) 1.8 2.4 V
V
O
(sat)2 IO= 1.0 A VO(sink) + VO(source) 2.1 2.8 V
Output leakage current I
O
leak 100 µA
[Hall Amplifier]
Input bias current I
HB
1 4 µA
Common-mode input voltage range V
ICM
1.5 3.2 V
Hysteresis ∆V
IN
21 30 37 mV
Input voltage low → high V
SLH
5 15 25 mV
Input voltage high → low V
SHL
–25 –15 –5 mV
[FG Pin] (Speed pulse output)
Output low-level voltage V
FGLIFG
= 5 mA 0.4 V
Pull-up resistance R
FG
7.5 10.0 12.5 kΩ
[Forward/Reverse Operation]
Forward V
FR
1 0.0 0.8 V
Reverse V
FR
2 4.2 5.0 V
[Current Limiter Operation]
Limiter V
RF
0.42 0.50 0.60 V
[Thermal Protection Circuit]
Operating temperature TSD *1 150 180 °C
Hysteresis ∆TSD *1 40 °C
[Low Voltage Protection Circuit]
Operating voltage V
LVSD
3.5 3.8 4.1 V
Release voltage V
LVSD(OFF)
4.3 4.5 V
Hysteresis ∆V
LVSD
0.4 0.5 0.6 V
[C Pin]
Charge current I
CL
R = 33 kΩ 30 40 50 µA
Discharge current I
CH
R = 33 kΩ 90 120 150 µA
Charge start voltage V
CL
R = 33 kΩ 0.3 0.4 0.5 V
Charge start voltage V
CH
R = 33 kΩ 1.5 2.0 2.5 V
Output current ignored time t
sm
R = 33 kΩ, C = 4700 pF 58 68 78 µs
Output off time t
so
R = 33 kΩ, C = 4700 pF 164 193 222 µs
Note: Items marked with an asterisk are design target values and are not tested.
F/R FG output
Forward (low): 0.0 to 0.8 V
Reverse (high): 4.2 to 5.0 V
Electrical Characteristics at Ta = 25°C, VCC= 5 V, VM= 30 V
Truth Table
Input Forward/reverse control Output FG output
IN1 IN2 IN3 F/R Source → sink FG1 FG2
1 H L H
L OUT2 → OUT1
L L
H OUT1 → OUT2
2 H L L
L OUT3 → OUT1
L H
H OUT1 → OUT3
3 H H L
L OUT3 → OUT2
L L
H OUT2 → OUT3
4 L H L
L OUT1 → OUT2
H H
H OUT2 → OUT1
5 L H H
L OUT1 → OUT3
H L
H OUT3 → OUT1
6 L L H
L OUT2 → OUT3
H H
H OUT3 → OUT2
Pin No. Symbol Pin voltage (V) Equivalent circuit Pin function
Pin Assignment
No. 5802-3/7
LB1695M
Pin Functions
1, 2,
14, 15,
16, 17,
29, 30
FRAME
• Pins provided for heat dissipation. These pins must
be electrically open.
3
V
CC
• Power supply for blocks other than the output
block.
4
5
FG1
FG2
• Speed pulse output 1
A pull-up resistor is built in.
• Speed pulse output 2
A pull-up resistor is built in.
6
7
8
9
10
11
IN1
–
IN1
+
IN2
–
IN2
+
IN3
–
IN3
+
1.5 V min
V
CC
– 1.8 V max
• Hall inputs. The logic high state is when IN
+
> IN–.
12 F/R
0.0 V min
V
CC
max
• Forward reverse control
13 GND
• Ground for blocks other than the output block.
The RF pin voltage will be the lowest potential
taken on be the output transistors.
Continued on next page.
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