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BQ40Z50RSMR-R2 on a board, in 3D

BQ40Z50RSMR-R2

Texas Instruments

-40℃~+85℃ 1~4 2.2V~26V 336uA Lithium Battery Protection IC、Monitoring IC SMBus Support VQFN-32-EP(4x4) Battery Management ROHS

Extended
DatasheetJLCPCBLCSCti/BQ40Z50RSMR-R2
Category
Battery Management
Package
VQFN-32-EP(4x4)
Pins
33

Overview

The BQ40Z50RSMR-R2 is a battery Management made by Texas Instruments in a VQFN-32-EP(4x4) package with 33 pins. -40℃~+85℃ 1~4 2.2V~26V 336uA Lithium Battery Protection IC、Monitoring IC SMBus Support VQFN-32-EP(4x4) Battery Management ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:BQ40Z50RSMR-R2, from EasyEDA) and its footprint (EasyEDA_Cloud:VQFN-32_L4.0-W4.0-P0.40-TL-EP1.4_2, from EasyEDA), ready for a KiCad board. 9,436 are in stock at JLCPCB (part C2845123). 4 open-source boards in 3 repositories on GitHub use it.

Symbol

PBI1VC42VC33VC24VC15SRN6NC7SRP8VSS9TS110TS211TS312TS413NC14BTP_INT15PRES#_or_SHUTDN#16DISP#17SMBD18SMBC19LEDCNTLA20LEDCNTLB21LEDCNTLC22PTC23PTCEN24FUSE25VCC26PACK27DSG28NC29PCHG30CHG31BAT32EP33
EasyEDA_Cloud:BQ40Z50RSMR-R2From EasyEDA

Footprint

33
EasyEDA_Cloud:VQFN-32_L4.0-W4.0-P0.40-TL-EP1.4_2From EasyEDA

From the datasheet

12
Supply, least
2.2 V · BAT, VCC, PBI, recommended operating, min · p. 8
Supply, most
26 V · BAT, VCC, PBI, recommended operating, max · p. 8
Supply, absolute maximum
30 V · BAT, VCC, PBI, absolute maximum · p. 8
Works from
-40 °C · operating ambient temperature, min · p. 9
Works up to
85 °C · operating ambient temperature, max · p. 9
Takes working
336 µA · NORMAL mode, CHG on, DSG on, no Flash write, typical · p. 9
Takes asleep
75 µA · SLEEP mode, CHG off, DSG on, no SBS communication, typical · p. 9
Takes asleep
52 µA · SLEEP mode, CHG off, DSG off, no SBS communication, typical · p. 9
Takes asleep
1.6 µA · SHUTDOWN mode, typical · p. 9
Junction to air (RSM (QFN))
47.4 K/W · junction to ambient, High K · p. 9
Junction to board (RSM (QFN))
14.7 K/W · junction to board · p. 9
Junction to case (RSM (QFN))
40.3 K/W · junction to case, top · p. 9

Parameters

15
Battery Temperature Detection
Support
Current - Supply
336uA
Features
Over-discharge protection
Interface
SMBus
Number of Cells
1~4
Operating Temperature
-40℃~+85℃
Standby Current
75uA
Supply Current (Iq)
336uA
The Chip Type
Monitoring IC
Thermal Resistance(Junction to Ambient)
47.4℃/W
Thermal Resistance(Junction to Board)
14.7℃/W
Thermal Resistance(Junction to Case)
40.3℃/W
Type of Battery
Lithium Battery
Voltage - Supply
2.2V~26V
Voltage - Supply(Absolute Max)
30V

Order codes

1

Pinout

33
The pins of the BQ40Z50RSMR-R2
PinNameType
1PBIUnspecified
2VC4Unspecified
3VC3Unspecified
4VC2Unspecified
5VC1Unspecified
6SRNUnspecified
7NCUnspecified
8SRPUnspecified
9VSSUnspecified
10TS1Unspecified
11TS2Unspecified
12TS3Unspecified
13TS4Unspecified
14NCUnspecified
15BTP_INTUnspecified
16PRES#_or_SHUTDN#Unspecified
17DISP#Unspecified
18SMBDUnspecified
19SMBCUnspecified
20LEDCNTLAUnspecified
21LEDCNTLBUnspecified
22LEDCNTLCUnspecified
23PTCUnspecified
24PTCENUnspecified
25FUSEUnspecified
26VCCUnspecified
27PACKUnspecified
28DSGUnspecified
29NCUnspecified
30PCHGUnspecified
31CHGUnspecified
32BATUnspecified
33EPUnspecified

Open-source boards using it

All 4
  • 4 layers85 × 55 mmSmartMultiCell, the printed circuit board in 3D

    SmartMultiCell

    8aChristian/-Smart-Multi-Cell-BMS-USB-C-Power-Delivery-Hub-2S-3S-45W-65W-

    The Smart Multi-Cell BMS & USB-C Power Delivery Hub is an industrial-grade, high-reliability power management hardware system designed for high-performance multi-cell portable devices, robotics, industrial IoT, and…

    44 partsMIT
  • 4 layers222 × 28 mmBattery, the printed circuit board in 3D

    Battery

    nzevh/barebones

    fully open source laptop based on the RK3588 Soc

    49 parts23CERN-OHL-S-2.0
  • 4 layers222 × 24 mmBattery, the printed circuit board in 3D

    Battery

    nzevh/barebones

    fully open source laptop based on the RK3588 Soc

    47 parts23CERN-OHL-S-2.0
  • 6 layers43.2 × 74.4 mmMonolith, the printed circuit board in 3D

    Monolith

    MidwestMotorBoy/Battery-Bank

    Monolith: an ultralight IP67 power bank for backpacking. 4S BAK 65E 21700 (91 Wh, under the 100 Wh airline limit), two bidirectional 100 W USB-C PD ports, Bluetooth LE (TI CC2340) with an iPhone app.

    289 parts

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Questions

Is there a KiCad symbol and footprint for the BQ40Z50RSMR-R2?

Yes. The symbol is EasyEDA_Cloud:BQ40Z50RSMR-R2 and the footprint EasyEDA_Cloud:VQFN-32_L4.0-W4.0-P0.40-TL-EP1.4_2, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the BQ40Z50RSMR-R2?

VQFN-32-EP(4x4), with 33 pins. Its footprint is drawn on this page.

Where is the BQ40Z50RSMR-R2 datasheet?

Texas Instruments publishes it: the Datasheet link on this page opens it.

Where can I order the BQ40Z50RSMR-R2?

JLCPCB lists it as part C2845123, with 9,436 in stock; the sellers' links on this page open their listings.

Which open-source boards use the BQ40Z50RSMR-R2?

4 boards in 3 repositories on GitHub; the most starred are listed on this page, with their KiCad files.