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Ordering number : ENA1340A
LV8405V
Overview
Bi-CMOS IC
2ch Forward/Reverse Motor Driver
LV8405T is a 2ch forward/reverse motor driver IC using D-MOS FET for output stage. As MOS circuit is used, it supports the PWM input. Its features are that the on resistance (0.75 typ) and current dissipation are low. It also provides protection functions such as heat protection circuit and reduced voltage detection and is optimal for the motors that need high-current.
Functions
* 2ch forward/reverse motor driver. * Low power consumption. * Low-temperature resistance 0.75. * Built-in low voltage reset and thermal shutdown circuit. * Four mode function forward/reverse, brake, stop. * Built-in charge pump.
Specifications
Maximum Ratings at Ta = 25C, SGND = PGND = 0V
Parameter Power supply voltage (for load) Power supply voltage (for control) Output current Output peak current Input voltage Allowable power dissipation Operating temperature Storage temperature Symbol VM max VCC max IO max IO peak VIN max Pd max Topr Tstg Mounted on a specified board* t 10ms Conditions Ratings -0.5 to 16.0 -0.5 to 6.0 1.4 2.5 -0.5 to VCC+0.5 800 -20 to +85 -55 to +150 Unit V V A A V mW C C
* Specified board : 114.3mm x 76.1mm x 1.6mm, glass epoxy board.
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.
N1908 MS 20081104-S00002 / O2208 MS PC 20081002-S00002 No.A1340-1/6
LV8405V
Allowable Operating Conditions at Ta = 25C, SGND = PGND = 0V
Parameter Power supply voltage (VM pin) Power supply voltage (VCC pin) Input signal voltage Input signal frequency Symbol VM VCC VIN f max Conditions Ratings 1.5 to 15.0 2.8 to 5.5 0 to VCC 200 Unit V V V kHz
Electrical Characteristics Ta = 25C, VCC = 3.0V, VM = 6.0V, SGND = PGND = 0V, unless otherwise specified.
Parameter Standby load current drain Operating control current drain High-level input voltage Low-level input voltage High-level input current (IN1, IN2, IN3, IN4) Low-level input current (IN1, IN2, IN3, IN4) Pull-down resistance value (IN1-4) Charge pump voltage Output ON resistance 1 VG RON1 VCC + VM Sum of top and bottom sides ON resistance. Output ON resistance 2 RON2 Sum of top and bottom sides ON resistance. VCC = 2.8V Low-voltage detection voltage Thermal shutdown temperature Output block Turn-on time Turn-off time VCS Tth TPLH TPHL VCC pin voltage is monitored Design guarantee value * 5 6 7 7 2.15 150 2.30 180 0.2 0.2 2.45 210 0.4 0.4 V C S S 4 1.0 1.5 4 8.5 9.0 0.75 9.5 1.2 V RPD1 100 200 400 k IIL IN1, IN2, IN3, IN4 = 0V 3 -1.0 A Symbol IMO IC1 VIH VIL IIH Conditions VCC = 0V, VM = 6V When VCC is applied, with no load 2.7 VCC 5.5V 2.7 VCC 5.5V IN1, IN2, IN3, IN4 = 3V 3 Remarks min 1 2 0.6xVCC 0 15 0.85 Ratings typ max 1.0 1.2 VCC 0.2xVCC 25 A mA V V A Unit
* : Design guarantee value and no measurement is preformed.
Remarks 1. Current consumption when output at the VM pin is off. 2. Current consumption at the VCC pin when VCC is 3V and IN1 to IN4 are all 0V (standby mode). 3. Pins IN 1, 2, 3, and 4 are all pulled down. 4. Sum of upper and lower saturation voltages of OUT pin divided by the current. 5. All power transistors are turned off if a low VCC condition is detected. 6. All output transistors are turned off if the thermal protection circuit is activated. They are turned on again as the temperature goes down. 7. Rising time from 10 to 90% and falling time from 90 to 10% are specified.
No.A1340-2/6
LV8405V
Package Dimensions
unit : mm (typ) 3178B
1
Pd max -- Ta
Specified board : 114.3x76.1x1.6mm3 glass epoxy
5.2 16 9
Allowable power dissipation, Pd max -- W
0.8
0.6
4.4
6.4
1 0.65 (0.33)
8 0.15 0.22
1.5max
0.5
0.4
0.2
0 -20
0
20
40
60
80 85
100
Ambient temperature, Ta -- C
SANYO : SSOP16(225mil)
Pin Assignment
VG 1 VM 2 OUT1 3 16 C1H 15 C1L 14 SGND
0.1
(1.3)
LV8405V
OUT2 4 PGND 5 OUT3 6 OUT4 7 VM 8
13 IN1 12 IN2 11 VCC 10 IN3 9 IN4
Top view
No.A1340-3/6
LV8405V
Block Diagram
VCC
VM Thermal Protection Circuit OUT1
Startup control block
Reducedvoltage protection circuit IN1 IN2 Motor control logic
OUT2
VM OUT3
IN3 IN4
OUT4
PGND Charge pump VCC+VM
C1H
C1L
VG
SGND
* Connect a kickback absorption capacitor as near as possible to the IC. Coil kickback may cause increase in VM line voltage, and a voltage exceeding the maximum rating may be applied momentarily to the IC, which results in deterioration or damage of the IC
Truth Table
IN1 (IN3) H H L L IN2 (IN4) H L H L OUT1 (OUT3) Z L H L OUT2 (OUT4) Z H L L Charge pump ON Mode Standby Reverse Forward Brake - : denotes a don't care value. Z : High-impedance
* The charge pump is always activated as long as VCC is applied. * All power transistors turn off and the motor stops driving when the IC is detected in low voltage or thermal protection mode.
No.A1340-4/6
LV8405V
Pin Functions
Pin No. 16 1 Pin name C1H VG Description Step-up capacitor connection pin. Equivalent circuit
VG
C1H
13 12 10 9 IN1 IN2 IN3 IN4 Driver output switching. (Pull-down resistor incorporated)
VCC
200k
3 4 6 7
OUT1 OUT2 OUT3 OUT4
Driver output.
VM
OUT
OUT
PGND
2 8 11 14 5 VCC SGND PGND Logic block power supply. Control block ground. Driver block ground. VM Motor block power supply.
No.A1340-5/6
LV8405V
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This catalog provides information as of November, 2008. Specifications and information herein are subject to change without notice. PS No.A1340-6/6

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