AS3712 Power Management Unit
3 buck DC-DC, 8 LDOs, 3 boost DC-DC, general purpose ADC
Features
- OTP programmable boot sequence
- 4MHz DC-DC operation
- Backlight boost and current sinks
Benefits
- Flexible and fast adaptation to different processors/applications
- Compact design due to small coils
- Multi-feature, small footprint
Product parameters
| DC-DC Step Up Converters | 3x general purpose (voltage or current output) |
|---|---|
| DC-DC Step Down Converters | 1.5A + 2x1A or 2A + 1.5A |
| Special LDOs [mA] | 2x250 |
| Universal LDOs [mA] | 6x300 |
| Current Sinks [mA] | 3x40 (HV) |
| Charge Pump [V/mA] | |
| Audio DAC [dB SNR] | |
| Audio ADC [dB SNR] | |
| Audio Features | |
| General Purpose ADC [bit] | 10 |
| Charger | |
| Customizable Startup Sequences | Programmable |
| Package | QFN-56 (7x7)-0.4 |
General Description
The programmable power management unit AS3712 features 3x DC-DC buck converters, 3x boost converters, 8 low noise LDOs and a general purpose ADC. The high level of integration and the 4MHz switching frequencies ensure small system footprint.
Not Recommended for New Designs
ams AG is discontinuing production of this device.
This product suits for the following applications:
- Set-top boxes
- Portable media players
- Portable navigation devices
- E-books
- Mobile internet devices
- Tablet PCs
Resources
| Type | Description | Language | |
|---|---|---|---|
| Software | Eval SW 1-1-8-0 | English |
Technical Documents
| Type | Description | Language | |
|---|---|---|---|
| Datasheet | Document version 2-00 | English |
Notifications
| Type | Description | Language | |
|---|---|---|---|
| EoL Notification | AS2540, AS13xx, AS3668, AS3709, AS371x, AS7620 (issued 2019-Jun) | English | |
| EoL Notification | AS252x, AS36xx, AS37xx_AS3956 (issued 2019-Sep) | English |
Other Information
| Type | Description | Language | |
|---|---|---|---|
| Block Diagram | AS3712 Block Diagram | English | |
| Factsheet | Smart Power Management | English | |
| Factsheet | Smart Power | English |
