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PM6652 数据表(PDF) 10 Page - STMicroelectronics

部件名 PM6652
功能描述  Single-phase controller for Intel MVP 6.5 render voltage regulator,
PDF  53 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

PM6652 数据表(HTML) 10 Page - STMicroelectronics

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Pin settings
PM6652
10/53
Doc ID 16867 Rev 5
10
VDAC
Internal DAC reference output. Bypass to GND with a 10 nF capacitor.
11
IMON
Current monitor output. Bypass to remote ground through R-C network.
12
IMONFB
Current monitor gain setting pin. Connect to
VOUT through a resistor in the
range 0.47 k
Ω to 7 kΩ.
13
SSTART
Soft-start programming pin and mode of operation selection input.
14
ILIM
Current limit input. Connect ILIM to GND with a resistor to set the current limit
threshold.
15
OSC
Frequency selection pin. Connect this pin to the input power supply rail
through a resistor.
16
PWRGD
Power good signal (open drain output). High when VCC_GFX output voltage is
within +200 mV/-300 mV of the programmed VDAC value.
17
DPRSLPVR
Render suspend state enter and render suspend exit mode control input.
Pulse-skipping or forced PWM working mode selection for IMVP6.5 CPU and
VR11 mode.
18
PGND
Power ground.
19
LGATE
Low-side gate driver output.
20
PVCC
+5 V supply for internal driver supply.
21
CLKEN#
CLOCK ENABLE open drain output (active low) and mode of operation
selection pin.
22
BOOT
Bootstrap capacitor connection. Input for the supply voltage of the high-side
gate driver.
23
HGATE
High-side gate driver output.
24
PHASE
Switch node connection and return path for the high-side gate driver.
25
COREON
Switching regulator ON/OFF control input.
26
VID0
VIDs bits of the controller voltage programming DAC input. They allow
programming of the no load output voltage, depending on the selected mode
of operation. VID0 is the LSB and VID6 the MSB. Connect VIDx to a voltage
<0.33 V to program a ‘0’; connect VIDx to a voltage >0.77 V to program a ‘1’.
27
VID1
28
VID2
29
VID3
30
VID4
31
VID5
32
VID6
33
EP
Exposed pad. Connect to SGND.
Figure 5.
Pin functions (continued)
Pin n°
Name
Description



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