Datasheet
USB Type-C Power Delivery Controller
BM92A21MWV-Z
General Description
BM92A21 is a USB Type-C Power Delivery (PD)
controller that supports USB Power Delivery using
base-band communication. It is compatible with USB
Type-C Specification and USB Power Delivery
specification.
BM92A21 includes support for the PD policy engine and
be able to operate independently. In addition, this IC has
secondary side error amplifier that support variable
output voltage and it is suitable for PD AC adapter
systems.
Key Specifications
VEX Voltage Range:
4.75V to 20V
VBUS Voltage Range:
4.75V to 20V
Power Consumption at Sleep Power: 0.9mW(Typ)
Operating Temperature Range: -30°C to +105°C
W (Typ) x D (Typ) x H (Max)
5.00mm x 5.00mm x 1.00mm
Package
UQFN40V5050A
Features
USB Type-C Specification compatible
USB PD Specification compatible (BMC-PHY)
Power path control using N-channel MOSFET
drivers with back flow prevention
Type-C cable orientation detection
Supports DFP-SOURCE mode
Integrated Secondary side of AC adapter system
PDO1:5V/3A, PDO2:9V/3A, PDO3:12V/3A,
PDO4:15V/3A, PDO5:20V/5A
EC-less Operation (Auto mode)
Applications
Consumer Applications
AC Adaptors, Chargers
Typical Application Circuit
Q2
Q1
VBUS
+
SGND
IFB
SGND
SGND
SGND
ACDC
Primary
Side
GND SGND
SGND
FB
VCCIN
LDISCHG_G2
LDISCHG_SRC
LDISCHG_G1
VEX
SPDSRC_G2
SPDSRC_SRC
SPDSRC_G1
VB
DSCHG
VDIV
VDDIO
R
3
SMDATA
SMCLK
GPIO0
GPIO1
CC1
CC2
CC1
(Open or CC2)
VDDIO
VCONN_IN
XCLPOFF1
XCLPOFF2
(Open or 5V Sourece)
GPIO7
GPIO
GPIO6
GPIO5
GPIO4
SGND
BM92A21MWV-Z
UQFN40V5050A
VSVR
Captive cable
with a USB
Type-C plug
or
Type-C
Receptacle
IFB
DBGMODDT
DBGRSTCK
IDSEL/ATST1
For TEST
VDDIO
For
BC1.2
DCP
D+
D-
LDO15ACAP
VCCIN
GND
CSENSEN
VCCIN
SGND
SGND
GND
GND
XRST
EPAD
VCCIN
VSTR/ATST2
CSENSEP
LDO15DCAP
LDO28CAP
GND
GND
SGND
Figure A. Typical Application Circuit
〇Product
structure : Silicon monolithic integrated circuit
.
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© 2017 ROHM Co., Ltd. All rights reserved.
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〇This
product has no designed protection against radioactive rays
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Contents
Contents ......................................................................................................................................................................................... 2
Notation
......................................................................................................................................................................................... 3
Reference
...................................................................................................................................................................................... 3
1.
Pin Configuration.................................................................................................................................................................. 4
2.
Pin Description ..................................................................................................................................................................... 5
3.
Block Diagram ...................................................................................................................................................................... 7
4.
Electrical Characteristics ...................................................................................................................................................... 8
4.1. Absolute Maximum Ratings ................................................................................................................................................. 8
(Note 4)
4.2. Thermal Resistance
..................................................................................................................................................... 8
4.3. Recommended Operating Conditions .................................................................................................................................. 9
4.4. Internal Memory Cell Characteristics ................................................................................................................................... 9
4.5. Circuit Power Characteristics ............................................................................................................................................... 9
4.6. Digital Pin DC Characteristics ............................................................................................................................................ 10
4.7. Power Supply Management ............................................................................................................................................... 11
4.7.1. Outline ............................................................................................................................................................................ 11
4.7.2. Electrical Characteristics ................................................................................................................................................ 12
4.8. CC_PHY ............................................................................................................................................................................ 13
4.8.1. Outline ............................................................................................................................................................................ 13
4.8.2. Electrical Characteristics ................................................................................................................................................ 14
4.9. Voltage Detection ............................................................................................................................................................... 15
4.9.1. Outline ............................................................................................................................................................................ 15
4.9.2. Electrical Characteristics ................................................................................................................................................ 15
4.10.
VBUS Discharge............................................................................................................................................................. 16
4.10.1.
Outline ........................................................................................................................................................................ 16
4.10.2.
Electrical Characteristics ............................................................................................................................................. 16
4.11.
Power FET Gate Driver (Power Path and Discharge) .................................................................................................... 17
4.11.1.
Outline ........................................................................................................................................................................ 17
4.11.2.
Electrical Characteristics ............................................................................................................................................. 17
4.12.
ACDC Bridge .................................................................................................................................................................. 18
4.12.1.
Outline ........................................................................................................................................................................ 18
4.12.2.
Electrical Characteristics ............................................................................................................................................. 18
4.13.
Power On Sequence ...................................................................................................................................................... 20
4.13.1.
Reset Timing ............................................................................................................................................................... 20
4.14.
Power Off Sequence ...................................................................................................................................................... 20
4.15.
I/O Equivalence Circuit ................................................................................................................................................... 21
5.
Application Example........................................................................................................................................................... 25
5.1. Selection of Components Externally connected ................................................................................................................. 25
6.
Firmware Revision ............................................................................................................................................................. 26
7.
Operational Notes .............................................................................................................................................................. 27
8.
Ordering Information .......................................................................................................................................................... 29
9.
Marking Diagrams .............................................................................................................................................................. 29
10.
Physical Dimension Tape and Reel Information ................................................................................................................. 30
11.
Revision History ................................................................................................................................................................. 31
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Notation
Category
Unit
Notation
V
A
Ω, Ohm
F
deg., degree
Hz
s (lower case)
min
b, bit
B, byte
Unit prefix
M, mega-, mebi-
M, mega-, million-
K, kilo-, kibi-
k, kilo-
m, milli-
μ, micro-
n, nano-
p, pico-
Numeric value
xxh, xxH
xxb
Description
Volt (Unit of voltage)
Ampere (Unit of current)
Ohm (Unit of resistance)
Farad (Unit of capacitance)
degree Celsius (Unit of Temperature)
Hertz (Unit of frequency)
second (Unit of time)
minute (Unit of time)
bit (Unit of digital data)
1 byte = 8 bits
2
20
6
= 1,048,576
(used with “bit” or “byte”)
(used with “Ω” or “Hz”)
10 = 1,000,000
2
10
3
= 1,024
(used with “bit” or “byte”)
(used with “Ω” or “Hz”)
10 = 1,000
10
10
10
10
-3
-6
-9
-12
Hexadecimal number.
“x”: any alphanumeric of 0 to 9 or A to F.
Binary number; “b” may be omitted.
“x”: a number, 0 or 1
“_” is used as a nibble (4-bit) delimiter.
(eg. “0011_0101b” = “35h”)
Address in a hexadecimal number.
“x”: any alphanumeric of 0 to 9 or A to F.
n-th single bit in the multi-bit data.
Bit range from bit[n] to bit[m].
High level (over V
IH
or V
OH
) of logic signal.
Low level (under V
IL
or V
OL
) of logic signal.
High impedance state of 3-state signal.
Address
Data
Signal level
#xxh
bit[n]
bit[n:m]
“H”, High
“L”, Low
“Z”, “Hi-Z”
Reference
Name
USB Type-C
USB PD
SMBus
Reference Document
“USB Type-C Specification Release 1.1”
“Power Delivery Specification Revision2.0 Version1.1”
“System Management Bus (SMBus) Specification Version 2.0”
Release Date
3.Apr.2015
7.May.2015
3.Aug.2000
Publisher
USB.org
USB.org
System Management
Implementers Forum
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© 2017 ROHM Co., Ltd. All rights reserved.
TSZ22111 • 15 • 001
3/31
TSZ02201-0232AA000560-1-2
31.Mar.2017 Rev.001