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Details for DRV8662RGPT by Texas Instruments
Semiconductors - ICs > Special Function >
DRV8662RGPT
Buy Directly from Texas Instruments (7636 in stock) $1.2700
PIEZO HAPTIC DRIVER W BOOST CONV 20QFN
DRV8662RGPT image

DRV8662RGPT by Texas Instruments

PIEZO HAPTIC DRIVER W BOOST CONV 20QFN
Features
1.8V Compatible Digital Pins
Available in a 4 mm u00d7 4 mm u00d7 0.9 mm QFN
Fast Start Up Time of 1.5 ms
High-Voltage Piezo Haptic Driver u2013 Drives up to 100 nF at 200 VPP and 300 Hz u2013 Drives up to 150 nF at 150 VPP and 300 Hz u2013 Drives up to 330 nF at 100 VPP and 300 Hz u2013 Drives up to 680 nF at 50 VPP and 300 Hz u2013 Differential Output
Integrated Boost Converter u2013 Adjustable Boost Voltage u2013 Adjustable Current Limit u2013 Integrated Power FET and Diode u2013 No Transformer Required
Thermal Protection
Wide Supply Voltage Range of 3.0 V to 5.5 V
Part Information
DRV8662RGPT image
RoHS Compliant
Description
The DRV8662 is a single-chip piezo haptic driver with integrated 105 V boost switch, integrated power diode, and integrated fully-differential amplifier. This versatile device is capable of driving both highvoltage and low-voltage piezo haptic actuators. The input signal can be either differential or single-ended. The DRV8662 supports four GPIO-controlled gains: 28.8 dB, 34.8 dB, 38.4 dB, and 40.7 dB. The boost voltage is set using two external resistors, and the boost current limit is programmable via the REXT resistor. The boost converter architecture will not allow the demand on the supply current to exceed the limit set by the REXT resistor; therefore, the DRV8662 is well-suited for portable applications. This feature also allows the user to optimize the DRV8662 circuit for a given inductor based on the desired performance requirements. A typical start-up time of 1.5 ms makes the DRV8662 an ideal piezo driver for fast haptic responses. Thermal overload protection prevents the device from being damaged when over driven.
Specifications
IC Function:
Piezo Haptic Driver with Integrated Boost Converter
Supply Voltage Min:
3V
Supply Voltage Max:
5.5V
IC Package Type:
QFN
No. of Pins:
20Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
70°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 4 - 72 hours
SVHC:
No SVHC (27-Jun-2018)
Brief Features:
Eight Differential Current and Voltage Inputs Fault Detection and Device Testing Capability
Operating Temperature Range:
-40°C to +70°C
Supply Voltage Range:
3V to 5.5V
Alternate Descriptions
PIEZO HAPTIC DRIVER, W BOOST CONV, 20QFN; IC Function:Piezo Haptic Driver with Integrated Boost Converter; Supply Voltage Min:3V; Supply Voltage Max:5.5V; IC Package Type:QFN; No. of Pins:20Pins; Operating Temperature Min:-40°C; RoHS Compliant: Yes Newark Electronics
Haptic Driver 20-Pin VQFN EP T/R Avnet America
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Piezo Haptic Driver with Integrated Boost Converter Texas Instruments