PAM8904Q
PAM8904Q is AUTOMOTIVE 18VPP OUTPUT PEIZO SOUNDER DRIVER manufactured by Diodes Incorporated.
Description
The PAM8904Q is a piezo sounder driver designed for driving a ceramic/piezo sounder or speaker with 18VPP from a 3V power supply. A programmable charge pump boost converter allows the PAM8904Q VOUT to operate in 1x, 2x and 3x mode.
Pin Assignments
(Top View)
CP2
VOUT
The boost converter operates at a fixed frequency of 1.0MHz and provides a 9V output with a minimum number of external ponents. PAMs unique drive technology ensures minimal inrush current, low EMI and high efficiency.
To ensure maximum efficiency and battery life, the PAM8904Q includes an auto standby feature which puts the device in sleep mode while there is no valid input signal. A forced shutdown is also available to enable the IC only when required.
CPM1 1
CPM2 DIN
CP1
CN2
VO1
VO2
CN1
To help protect the IC and system, the PAM8904Q includes overtemperature shutdown, overcurrent and short circuit protection.
U-QFN3030-16 (Type B)
The PAM8904Q is available in a 16 pin U-QFN3030-16 (Type B) package.
The PAM8904Q is qualified to AEC-Q100 Grade 2 and is Automotive pliant supporting PPAPs.
Features
- Supply Voltage Range from 2.3V to 5V
- 18VPP Output from a 3V Supply
- Integrated Boost Converter Generates 9V Supply
- Wide Input Signal Capability 20Hz to 300k Hz
- Low Current Consumption
- Automatic Standby and Wake-up Control
- Overtemperature Shutdown and Short-Circuit Protection
- Available in Space Saving Packages 16 pin U-QFN3030-16
(Type B) Package with Green Molding
- Totally Lead-Free & Fully Ro HS pliant (Notes 1 & 2)
- Halogen and Antimony Free. “Green” Device (Note 3)
- The PAM8904Q is suitable for automotive applications requiring specific change control; this part is AEC-Q100 qualified, PPAP capable, and manufactured in IATF 16949 certified facilities. https://.diodes./quality/product-definitions/
Applications...
