LV8098CS Datasheet, PDF (1/8 Pages) Sanyo Semicon Device – Constant-current Driver IC

Ordering number : ENA1515
LV8098CS
Bi-CMOS IC
For VCMs
Constant-current Driver IC
Overview
The LV8098CS is a constant current driver IC for voice coil motors that supports I²C control integrating a digital/analog
converter (DAC). It uses an ultraminiature WLP package and includes a current detection resistor for constant current
control, which makes the IC ideal for miniaturization of camera modules intended for use in camera-equipped mobile
phones. The output transistor has a low on-resistance of 1Ω and the resistance of the built-in current detection resistor is
1Ω, which minimizes the voltage loss and helps withstand voltage drop in VCC. The current consumption when the DAC
is set to code 0 is 0 (ICC ≈ 0, IOUT ≈ 0) allowing reduction in current consumption.
Functions
• Constant current driver for voice coil motors.
• I²C bus control supported.
• Constant current control enabled by DAC (8 bits).
• Wide operating voltage range (2.2 to 5.0V).
• The current consumption is 0 when the DAC is set to code 0. • 6-pin WLP package used (1.27 × 0.87 × 0.5mm).
• Built-in thermal protection circuit.
• Built-in voltage drop protection circuit (VCC = 2V output off).
• Low output block total-resistance of 2Ω helps withstand voltage drop in VCC. (Current detection resistance + output
transistor on-resistance).
• Built-in current detection resistor.
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
Maximum supply voltage
Output voltage
Input voltage
Allowable power dissipation
VCC max
VOUT max
VIN max
Pd max
SCL, SDA, ENA
With specified substrate *
Operating temperature
Topr
Storage temperature
Tstg
* Specified substrate : 40mm × 40mm × 1.6mm, Single layer glass epoxy substrate
Ratings
Unit
5.5
V
VCC + 0.5
V
5.5
V
350
mW
-30 to +85
°C
-40 to +150
°C
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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
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equipment.
72909 SY PC 20090626-S00003 No.A1515-1/8