SLOS861B March   2015  – April 2015 DRV2700

PRODUCTION DATA.  

  1. Features
  2. Applications
  3. Description
  4. Boost + Amplifier Configuration
  5. Revision History
  6. Pin Configuration and Functions
  7. Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Switching Characteristics
    7. 7.7 Typical characteristics
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Boost Converter and Control Loop
      2. 8.3.2 High-Voltage Amplifier
      3. 8.3.3 Fast Start-Up (Enable Pin)
      4. 8.3.4 Gain Control
      5. 8.3.5 Adjustable Boost Voltage
      6. 8.3.6 Adjustable Boost Current-Limit
      7. 8.3.7 Internal Charge Pump
      8. 8.3.8 Thermal Shutdown
    4. 8.4 Device Functional Modes
      1. 8.4.1 Boost + Amplifier Mode
      2. 8.4.2 Flyback Mode
  9. Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 AC-Coupled DAC Input Application
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1  Piezo Load Selection
          2. 9.2.1.2.2  Programming The Boost Voltage
          3. 9.2.1.2.3  Inductor and Transformer Selection
          4. 9.2.1.2.4  Programing the Boost and Flyback Current-Limit
          5. 9.2.1.2.5  Boost Capacitor Selection
          6. 9.2.1.2.6  Pulldown FET and Resistors
          7. 9.2.1.2.7  Low-Voltage Operation
          8. 9.2.1.2.8  Current Consumption Calculation
          9. 9.2.1.2.9  Input Filter Considerations
          10. 9.2.1.2.10 Output Limiting Factors
          11. 9.2.1.2.11 Startup and Shutdown Sequencing
        3. 9.2.1.3 Application Curves
      2. 9.2.2 Filtered AC Coupled Single-Ended PWM Input Application
      3. 9.2.3 DC-Coupled DAC Input Application
      4. 9.2.4 DC-Coupled Reference Input Application
      5. 9.2.5 Flyback Circuit
    3. 9.3 System Example
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
      1. 11.1.1 Boost + Amplifier Configuration Layout Considerations
      2. 11.1.2 Flyback Configuration Layout Considerations
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 Trademarks
    3. 12.3 Electrostatic Discharge Caution
    4. 12.4 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • RGP|20
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6 Pin Configuration and Functions

RGP Package
20-Pin VQFN With Exposed Thermal Pad
Top View
DRV2700 package_top_slos861.gif
NC – no internal connection

Pin Functions

PIN TYPE(1) CONNECTION IF UNUSED DESCRIPTION
NAME NO.
BST 10 P Boost output voltage
11
EN 20 I Chip enable
FB 3 I Boost feedback
GAIN0 18 I GND Gain programming pin — least significant bit (LSB)
GAIN1 19 I GND Gain programming pin — most significant bit (MSB)
GND 4 P Ground
5
6
IN+ 17 I NC Noninverting input
IN– 16 I NC Inverting input
NC 9 No connect
OUT+ 13 O NC Noninverting output
OUT– 14 O NC Inverting output
PVDD 12 P NC Amplifier supply voltage
PUMP 1 P Internal charge-pump voltage
REXT 15 I Resistor to ground. This pin sets the boost current-limit.
SW 7 P Internal-boost switch pin
8
VDD 2 P Power supply (connect to battery)
(1) I = Input, O = Output, I/O = Input and output, P = Power