PM6652TR datasheet, PDF - EEWORLD Datasheet

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PM6652TR: DescriptionSwitching Controllers Single Phase Cntrl Intel MVP 6.5; CategoryPower/power management The power supply circuit; File Size2MB，53 Pages; ManufacturerSTMicroelectronics; Websitehttp://www.st.com/; Environmental Compliance

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PM6652TR Overview

Switching Controllers Single Phase Cntrl Intel MVP 6.5

PM6652TR Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	STMicroelectronics
Parts packaging code	QFN
package instruction	HVQCCN, LCC32,.2SQ,20
Contacts	32
Manufacturer packaging code	VFQFPN
Reach Compliance Code	compliant
ECCN code	EAR99
Other features	ALSO OPERATES IN ADJUSTABLE MODE FROM 0.3 TO 1.5 V
Analog Integrated Circuits - Other Types	SWITCHING CONTROLLER
control mode	VOLTAGE-MODE
Control Technology	PULSE WIDTH MODULATION
Maximum input voltage	36 V
Minimum input voltage	4.5 V
Nominal input voltage	12 V
JESD-30 code	S-XQCC-N32
JESD-609 code	e3
length	5 mm
Humidity sensitivity level	3
Number of functions	1
Number of terminals	32
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	UNSPECIFIED
encapsulated code	HVQCCN
Encapsulate equivalent code	LCC32,.2SQ,20
Package shape	SQUARE
Package form	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)	260
Certification status	Not Qualified
Maximum seat height	1 mm
surface mount	YES
Switch configuration	PUSH-PULL
Maximum switching frequency	600 kHz
Temperature level	INDUSTRIAL
Terminal surface	Matte Tin (Sn) - annealed
Terminal form	NO LEAD
Terminal pitch	0.5 mm
Terminal location	QUAD
Maximum time at peak reflow temperature	NOT SPECIFIED
width	5 mm

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PM6652

Single-phase controller for Intel

MVP 6.5 render voltage regulator,

CPU and VR11 CPU

Datasheet

−

production data

Features

■

4.5 V to 36 V input voltage range

0.3 V to 1.5 V output voltage range

IMVP6.5 GPU/CPU and VR11 CPU mode

selection

Very fast load transient response using

constant-on-time loop control

Remote voltage sensing

Programmable droop function

7-bit dynamic voltage positioning (VID)

Programmable PWM frequency

Lossless current sense with inductor DCR

Accurate inductor current sense with R

SENSE

Negative current limit

Boot diode embedded

Latched OVP, UVP and overtemperature

Pulse-skipping when suspend state is selected

Output voltage ripple compensation

Soft-start and soft-end

Power good available

Current monitor (IMON)

Thermal throttling

VFQFPN-32 5x5 mm

Description

The PM6652 is a single-phase, step-down SMPS

controller with high precision 7-bit DAC. It has

been designed to supply the CPU and the

graphics core (render engine) of the Intel

mobile

platform, according to Intel MVP6.5

specifications.

The PM6652 can also be configured to supply the

7-bit family, VR11 compliant, ATOM

processors.

The controller, based on constant on-time (COT)

architecture, allows real-time dynamic switching

of the core operating voltages and frequencies,

working in both performance and suspend render

states.

An embedded integrator control loop

compensates the DC voltage error due to the

output ripple.

The high efficiency at light load, achieved with

pulse-skipping working mode, and the extremely

low shutdown and quiescent adsorbed current,

make the PM6652 the ideal choice in battery

powered devices.

Applications

■

Intel mobile graphic core IMVP6.5

Intel mobile CPU IMVP6.5

Intel ATOM

VR11 based devices

Notebook, netbook and nettop computers

Handheld devices and PDAs

Device summary

Order codes

PM6652

Package

Table 1.

Packaging

Tray

VFQFPN-32 5 x 5 mm (exposed pad)

PM6652TR

March 2012

This is information on a product in full production.

Tape and reel

Doc ID 16867 Rev 5

1/53

www.st.com

Contents

PM6652

Contents

Typical application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Pin settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.1

2.2

Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3.1

3.2

3.3

Maximum rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Voltage identification (VID) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Typical operating characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Device description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

8.1

Constant on-time PWM control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

8.1.1

8.1.2

Constant on-time PWM architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Output ripple compensation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

8.2

8.3

8.4

8.5

8.6

8.7

8.8

8.9

8.10

Mode selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Pulse-skip working mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Differential remote sensing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Droop function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Voltage dynamic (VID) transitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Current sensing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Soft-start and soft-end . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Internal MOS drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Monitoring and protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

8.10.1

Power good . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

2/53

Doc ID 16867 Rev 5

List of figures

PM6652

List of figures

Figure 1.

Figure 2.

Figure 3.

Figure 4.

Figure 5.

Figure 6.

Figure 7.

Figure 8.

Figure 9.

Figure 10.

Figure 11.

Figure 12.

Figure 13.

Figure 14.

Figure 15.

Figure 16.

Figure 17.

Figure 18.

Figure 19.

Figure 20.

Figure 21.

Figure 22.

Figure 23.

Figure 24.

Figure 25.

Figure 26.

Figure 27.

Figure 28.

Figure 29.

Figure 30.

Figure 31.

Figure 32.

Figure 33.

Figure 34.

Figure 35.

Figure 36.

Figure 37.

Figure 38.

Figure 39.

Figure 40.

Figure 41.

Figure 42.

Figure 43.

Figure 44.

Figure 45.

Figure 46.

Figure 47.

Figure 48.

Typical application circuit - IMVP6.5 render core supply . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Typical application circuit - IMVP6.5 LV/ULV CPU supply . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Typical application circuit – VR11 Atom CPU supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

PM6652 pinout (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Pin functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

VCORE turn-on and PGOOD rising - no load. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

VCORE turn-on - CPU IMVP6.5 mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

VCORE working mode - DPRSLPVR asserted, no load. . . . . . . . . . . . . . . . . . . . . . . . . . . 19

VCORE working mode (0.9 V) - DPRSLPVR asserted, no load. . . . . . . . . . . . . . . . . . . . . 19

VCORE working mode (0.4 V) - DPRSLPVR asserted, no load. . . . . . . . . . . . . . . . . . . . . 20

VCORE working mode - DPRSLPVR not asserted, no load. . . . . . . . . . . . . . . . . . . . . . . . 20

VCORE working mode - DPRSLPVR not asserted, 10 A load . . . . . . . . . . . . . . . . . . . . . . 20

VCORE working mode (0.9 V) - DPRSLPVR not asserted, no load. . . . . . . . . . . . . . . . . . 20

VCORE working mode (0.4 V) - DPRSLPVR not asserted, no load. . . . . . . . . . . . . . . . . . 20

VID5 transition - entering and exiting suspend state (fast exit) . . . . . . . . . . . . . . . . . . . . . 20

VID5 transition - entering and exiting suspend state (slow exit) . . . . . . . . . . . . . . . . . . . . . 21

Droop function - 5 A to 15 A transient response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

VCORE VID step variation - VR11 mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

VCORE soft-end - COREON pin de-assertion and PGOOD transition. . . . . . . . . . . . . . . . 21

VCORE overvoltage (+200 mV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

VCORE undervoltage (-300 mV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

VCORE efficiency (DPRSLPVR high and low) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

VCORE load regulation - droop function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Simplified block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

PM6652 integrator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

PM6652 droop function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

GFX supply - VID step, skip mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

CPU IMVP6.5 - VID step, skip mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Precision resistor current sensing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Inductor's DCR current sensing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

L >

C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

L <

C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Thermal compensation network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

IMVP6.5 GFX mode startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

IMPV6.5 CPU mode startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

VDAC soft-start voltage slew-rate vs. capacitor value . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Average current limit - recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Average current limit detected . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Current monitor with external components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Voltage regulator thermal throttling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Valley current limit circuitry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Valley current limit detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

C15 good and C34 OK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

C15 big and C34 OK. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

C15 small and C34 OK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

C15 good and C34 small . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

C15 good and C34 big . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

C15 OK and C34 OK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

4/53

Doc ID 16867 Rev 5

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