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Ordering number : ENA0470A
LB1801CL
Overview
Monolithic Digital IC
Stepping Motor Driver IC
The LB1801CL is a 2-channel low-saturation drive low-voltage operation forward/reverse motor driver IC. Its ultraminiature package makes it optimal for 2-phase excitation drive of 2-phase bipolar stepping motors which are commonly used in various portable devices such as digital still cameras.
Features
* Low saturation voltage, VO (sat) = 0.3V typ. at IO of 150mA * Built-in through current prevention circuit * Zero current drawn in standby mode * On-chip index comparator (open collector output) * On-chip ENA interlocked power supply * Built-in thermal shutdown circuit * ECSP2828-12 ultraminiature leadless package (2.8mmx2.8mmx0.8mm typ)
Absolute Maximum Ratings at Ta = 25C
Parameter Maximum power supply voltage Output application voltage Input application voltage GND pin outflow current Allowable power dissipation Operating temperature Storage temperature Symbol VCC max VOUT max VIN max I GND Pd max Topr Tstg OUT1, OUT2, OUT3, OUT4 pin ENA, IN1, IN2 pin Per channel Mounted on a circuit board * Conditions Ratings -0.3 to +8.0 VCC+VSF -0.3 to +8.0 300 450 -30 to +75 -40 to +150 Unit V V V mA mW C C
* Mounted on a specified board: 20.0mmx10.0mmx0.8mm, paper phenol
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to "standard application", intended for the use as general electronics equipment (home appliances, AV equipment, communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee thereof. If you should intend to use our products for applications outside the standard applications of our customer who is considering such use and/or outside the scope of our intended standard applications, please consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our customer shall be solely responsible for the use. Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer's products or equipment.
60607 MS IM / D1306 TI IM 20060222-S00018 No.A0470-1/9
LB1801CL
Allowable Operating Range at Ta = 25C
Parameter Power supply voltage Input high level voltage Input low level voltage Allowable comparator output current Symbol VCC VIH VIL ICOMP ENA, IN1, IN2 pin Conditions Ratings 2.2 to 7.5 1.5 to 7.5 -0.3 to +0.3 1.0 Unit V V V mA
Electrical Characteristics at Ta = 25C, VCC = 3.3V
Parameter Power source current Symbol ICC0 ICC1 Output saturation voltage VOUT1 VOUT2 Input current IIN IENA Index comparator Internal reference voltage Common-mode input voltage range Input hysteresis width Low-level output voltage LNA interlocked power supply Current capacity Spark killer diode Reverse current Forward voltage Thermal shutdown Operating temperature Hysteresis width TSD1 TSD2 * * 170 20 C C IS(leak) VSF IOUT = 200mA * 1.7 1 A V IBIAS (VIN-VBIAS) = 0.2V 50 mA VINP VCOM VHYS1 VLCOMP Sink = 1mA 1.30 0 0.15 0.22 0.2 1.35 1.40 VCC 0.25 0.4 V V V V Conditions min ENA = 0V, VIN = 3V or 0V ENA = 3V, VIN = 3V or 0V ENA = 3V, VIN = 3V or 0V, IOUT = 100mA ENA = 3V, VIN = 3V or 0V, IOUT = 200mA * VIN = 3V VENA = 3V Ratings typ 0.1 17 0.23 max 1 18.5 0.3 V 0.5 60 60 70 70 A A mA unit
*: Design target value and no measurement was made.
Package Dimensions
unit : mm (typ) 3324
TOP VIEW 2.8 SIDE VIEW 0.4 BOTTOM VIEW (0.425) 2 0.8 SIDE VIEW (0.8) 0.8 1 1 2.8 0.35 2 0.015
SANYO : ECSP2828-12
0.65
No.A0470-2/9
LB1801CL
Pin Assignment
500
Pd max -- Ta
Allowable power dissipation, Pd max -- mW
GND
ENA
450 400
OUT1
1
12
11
10
IN2
300 270
OUT2
2
9
IN1
LB1801CL
OUT3 3 8 INM
200
100
OUT4
4
5 VCC
6 BIAS
7
COMP
0 -30
Mounted on a specified board : 20.0x10.0x0.8mm3, paper phenol
0 30 60 75 90
Ambient temperature, Ta -- C
ILB01793
Top view
Block Diagram
1F
VCC
Thermal shutdown circuit
45k
Control Block circuit
IN1
90k
OUT1
Stepping motor
OUT2
35k IN2
95k
50k
10k 35k ENA
95k
50k
OUT3
10k OUT4
300 INM 1.35V
GND
COMP
BIAS
No.A0470-3/9
LB1801CL
Truth Table
Input ENA L IN1 L H L H H IN2 L H H L OUT1 OFF H H L L OUT2 OFF L L H H OUT3 OFF H L L H Output OUT4 OFF L H H L ON ON 2 phase excitation BIAS OFF COMP OFF Standby Remarks
Pin Functions
Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 Pin Name OUT1 OUT2 OUT3 OUT4 VCC BIAS COMP INM IN2 IN1 ENA GND H bridge output pin H bridge output pin H bridge output pin H bridge output pin Power supply pin Position sensor power pin Comparator output pin Comparator input pin Input pin for controlling outputs OUT3 and OUT4 Input pin for controlling outputs OUT1 and OUT2 Enable pin (H input: active, L input: idle) Ground pin Pin Functions
No.A0470-4/9
LB1801CL
Timing Chart
ENA
IN1
IN2
OUT1
OUT2
OUT3
OUT4
[Timing Chart for Stepping Motor 2-Phase Excitation]
No.A0470-5/9
LB1801CL
Position Detecting Comparator Application Circuit Example 1
a) Circuit diagram
Microcontroller power supply
BIAS
VCC
Tr INM + COMP
IC peripheral: Position sensor block
IC interior: Position detecting circuit
b) Timing chart
VCC
ENA
BIAS
1.35V INM
Hysteresis width: 0.2V
Transistor operating range Microcontroller power supply COMP
No.A0470-6/9
LB1801CL
Position Detecting Comparator Application Circuit Example 2
a) Circuit diagram
BIAS Microcontroller power supply
VCC
INM Tr + COMP
IC peripheral: Position sensor block
IC interior: Position detecting circuit
b) Timing chart
VCC
ENA
BIAS
Transistor operating range 1.35V INM Hysteresis width: 0.2V
Microcontroller power supply COMP
No.A0470-7/9
LB1801CL
25
Current Drain
A=3V )
Bias pin saturation voltage, Vbias -- V
Power supply current, ICC -- mA
20
VCC-ICC Ta=25C ENA=3.0V No load (OPEN)
1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 7 8 0
Bias Pin Saturation Voltage
VCC=3.3V Ta=25C
(EN I CC1
15
10
5
0 0 1 2 3 4
ICC0 (ENA=0V)
5 6
0.02
0.04
0.06
0.08
0.10 ILB01799
Power supply voltage, VCC -- V
200 180
ILB01798 2.0
Bias current, Ibias -- A
Input Current Characteristics
Output saturation voltage, VO(sat) -- V
Saturation Voltage Characteristics
VCC=3.3V Ta=25C
VCC=3.3V Ta=25C
1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 0 0.05 0.10 0.15
Input current, IIN/IENA -- A
160 140 120 100 80 60 40 20 0 0 2 4 6 8 ILB01800
1 I IN
IE
NA
0.20 ILB01801
Input voltage, VIN/VENA -- V
0.5
COMP Pin Saturation Voltage
VCC=3.3V Ta=25C
3.5
Input Threshold Characteristics
VCC=3.3V Ta=25C
Output current, IOUT -- mA
Low-level voltage, VCOMP -- V
3.0
Output voltage, VOUT1 -- V
0.4
2.5
0.3
2.0
0.2
1.5
1.0
0.1
0.5 0 0 0.2 0.4 0.6 0.8 1.0 ILB01802 0 0 0.5 1.0 1.5 2.0 2.5 ILB01803
Sink current, Isink -- mA
2.0
Comparator Reference Voltage
Ta=25C
Comparator reference voltage, Vref -- V
1.8
Input voltage, VENA -- V
1.6
1.4
1.2
1.0
0.8 0.6 2.0
2.2
2.4
2.6
2.8
3.0
3.2
3.4
3.6
3.8
4.0
Power supply voltage, VCC -- V
ILB01804
No.A0470-8/9
LB1801CL
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This catalog provides information as of June, 2007. Specifications and information herein are subject to change without notice. PS No.A0470-9/9

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