Datasheet
Table Of Contents
- Figure 1. EVAL6460 demonstration board
- 1 The L6460 main features
- 2 EVAL6460 board description
- 3 The EVAL6460 controlled by the EVAL_IBU-STR7
- Figure 5. EVAL_IBU-STR7 board
- Figure 6. EVAL_IBU-STR7 schematic board
- 3.1 Board connection and configuration
- 3.2 Starting flexSPIN evaluation software
- Figure 13. FlexSPIN evaluation software - start window
- 3.2.1 How to turn-on the VswDrv regulator
- 3.2.2 How to enable the DC1 and DC2 output bridges
- 3.2.3 How to enable the DC3 and DC4 output bridges
- 3.2.4 How to assign and read a GPIO
- 3.2.5 How to read and clear an undervoltage event
- 3.2.6 How to manage the interrupt controller
- 3.2.7 How to put the device into "low power" condition and awaken it
- 3.2.8 How to generate a PWM
- 3.2.9 How to close the low voltage power switch
- 3.2.10 How to measure an input voltage using A-D converter
- 3.2.11 How to use the digital comparator
- 3.2.12 How to configure and program the device via the SPI sequencer
- 3.2.13 How to read the device temperature
- 3.2.14 How to work in master - slave configuration
- 4 Revision history
AN3097 The L6460 main features
Doc ID 16599 Rev 2 5/34
● One buck type switching regulator (VswMain) with:
– Output regulated voltage range: 1-5 V
– Max output load current: 3.0 A
– Internal output power DMOS
– Internal soft-start sequence
– Internal PWM generation
– Switching frequency: ~250 kHz
– Pulse skipping strategy control
● One switching regulator controller (VSWDRV) with:
– Output regulated voltage range: 1-30 V
– Selectable current limitation
– Internal PWM generation
– Pulse skipping strategy control
● One linear regulator (VlinMain) that can be used to generate low current/low ripple
voltages. This regulator can be used to drive an external bipolar pass transistor to
generate high current/low ripple output voltages
● One bi-directional serial Interface with address detection so that different ICs can share
the same data bus
● Integrated power sequencing and supervisory functions with fault signaling through
serial interface and an external reset pin
● Fourteen general purpose I/Os that can be used to drive/read internal/external
analog/logic signals
● One 8 or 9 bit A-D converter (100 kS/s @ 9 bits, 200 kS/s @ 8 bits). This can be used
to measure most of the internal signals of the input pins and a voltage proportional to
the IC temperature
● Current sink DAC:
– Three output current ranges: up to 0.64/6.4/64 mA.
– 64 (6 bits programmable) available current levels for each range
– 5 V output tolerant
● Two operational amplifiers:
– 3.3 V supply, rail to rail input compatibility, internally compensated
– They can have all pins externally accessible or can be internally configured as a
buffer to make internal reference voltages available outside of the chip
– Unity gain bandwidth greater than 1 MHz
– They can also be set as comparators with 3.3 V input compatibility and low offset.
● Two 3.3 V pass switches with 0.6 Ω typ R
DS(on)
and short-circuit detected
● Programmable Watchdog function
● Thermal shutdown protection with thermal warning capability
● Very low power dissipation in low-power mode (~35 mW)